diff --git a/modules/nf-core/scanpy/hashsolo/main.nf b/modules/nf-core/scanpy/hashsolo/main.nf
index cf7d915b7aa4..3cb34277e3bf 100644
--- a/modules/nf-core/scanpy/hashsolo/main.nf
+++ b/modules/nf-core/scanpy/hashsolo/main.nf
@@ -14,7 +14,7 @@ process SCANPY_HASHSOLO {
     tuple val(meta), path("*_assignment_hashsolo.csv"), emit: assignment
     tuple val(meta), path("*_hashsolo.h5ad")          , emit: h5ad
     tuple val(meta), path("*_params_hashsolo.csv")    , emit: params
-    path "versions.yml"                               , emit: versions
+    path "versions.yml"                               , emit: versions, topic: versions
 
     when:
     task.ext.when == null || task.ext.when
diff --git a/modules/nf-core/scanpy/hashsolo/meta.yml b/modules/nf-core/scanpy/hashsolo/meta.yml
index d94d66610fae..9ef681a6a961 100644
--- a/modules/nf-core/scanpy/hashsolo/meta.yml
+++ b/modules/nf-core/scanpy/hashsolo/meta.yml
@@ -1,4 +1,3 @@
-# yaml-language-server: $schema=https://raw.githubusercontent.com/nf-core/modules/master/modules/meta-schema.json
 name: "SCANPY_HASHSOLO"
 description: Probabilistic demultiplexing of cell hashing data
 keywords:
@@ -14,7 +13,8 @@ tools:
       documentation: "https://scanpy.readthedocs.io/en/stable/generated/scanpy.external.pp.hashsolo.html"
       tool_dev_url: "https://github.com/scverse/scanpy"
       doi: "10.1186/s13059-017-1382-0"
-      licence: ["BSD-3"]
+      licence:
+        - "BSD-3"
       identifier: biotools:scanpy
 
 input:
@@ -83,6 +83,14 @@ output:
         pattern: "versions.yml"
         ontologies:
           - edam: http://edamontology.org/format_3750 # YAML
+topics:
+  versions:
+    - versions.yml:
+        type: file
+        description: File containing software versions
+        pattern: "versions.yml"
+        ontologies:
+          - edam: http://edamontology.org/format_3750 # YAML
 authors:
   - "@seohyonkim"
   - "@LuisHeinzlmeier"
diff --git a/modules/nf-core/scanpy/hashsolo/tests/main.nf.test b/modules/nf-core/scanpy/hashsolo/tests/main.nf.test
index a3a558e2b99b..4aecd89f6270 100644
--- a/modules/nf-core/scanpy/hashsolo/tests/main.nf.test
+++ b/modules/nf-core/scanpy/hashsolo/tests/main.nf.test
@@ -50,7 +50,7 @@ nextflow_process {
         then {
             assertAll(
                 { assert process.success },
-                { assert snapshot(process.out).match() }
+                { assert snapshot(sanitizeOutput(process.out, unstableKeys: ["assignment", "h5ad"])).match() }
             )
         }
     }
@@ -93,7 +93,7 @@ nextflow_process {
         then {
             assertAll(
                 { assert process.success },
-                { assert snapshot(process.out).match() }
+                { assert snapshot(sanitizeOutput(process.out, unstableKeys: ["assignment", "h5ad"])).match() }
             )
         }
     }
@@ -129,7 +129,7 @@ nextflow_process {
         then {
             assertAll(
                 { assert process.success },
-                { assert snapshot(process.out).match() }
+                { assert snapshot(sanitizeOutput(process.out)).match() }
             )
         }
     }
@@ -158,10 +158,8 @@ nextflow_process {
         then {
             assertAll(
                 { assert process.success },
-                { assert snapshot(
-                        process.out,
-                        process.out.versions.collect { path(it).yaml }
-                    ).match() }
+                { assert snapshot(sanitizeOutput(process.out, unstableKeys: ["assignment", "h5ad"])).match() },
+                { assert snapshot(process.out.versions.collect { path(it).yaml }).match("versions") }
             )
         }
 
@@ -196,10 +194,7 @@ nextflow_process {
         then {
             assertAll(
                 { assert process.success },
-                { assert snapshot(
-                        process.out,
-                        process.out.versions.collect { path(it).yaml }
-                    ).match() }
+                { assert snapshot(sanitizeOutput(process.out, unstableKeys: ["assignment", "h5ad"])).match() }
             )
         }
 
@@ -224,10 +219,7 @@ nextflow_process {
         then {
             assertAll(
                 { assert process.success },
-                { assert snapshot(
-                        process.out,
-                        process.out.versions.collect { path(it).yaml }
-                    ).match() }
+                { assert snapshot(sanitizeOutput(process.out)).match() }
             )
         }
 
diff --git a/modules/nf-core/scanpy/hashsolo/tests/main.nf.test.snap b/modules/nf-core/scanpy/hashsolo/tests/main.nf.test.snap
index 2351088f5b9a..1ca913b60622 100644
--- a/modules/nf-core/scanpy/hashsolo/tests/main.nf.test.snap
+++ b/modules/nf-core/scanpy/hashsolo/tests/main.nf.test.snap
@@ -2,39 +2,12 @@
     "hto_data_10x": {
         "content": [
             {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_assignment_hashsolo.csv:md5,a970a5192150b1832a3efea197c882cd"
-                    ]
-                ],
-                "1": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,3e9f7ed941ab5d1b59f51f1b1fb7e528"
-                    ]
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,17ed9d21353013b8547ac829874ff514"
-                    ]
-                ],
-                "3": [
-                    "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
-                ],
                 "assignment": [
                     [
                         {
                             "id": "test"
                         },
-                        "test_assignment_hashsolo.csv:md5,a970a5192150b1832a3efea197c882cd"
+                        "test_assignment_hashsolo.csv"
                     ]
                 ],
                 "h5ad": [
@@ -42,7 +15,7 @@
                         {
                             "id": "test"
                         },
-                        "test_hashsolo.h5ad:md5,3e9f7ed941ab5d1b59f51f1b1fb7e528"
+                        "test_hashsolo.h5ad"
                     ]
                 ],
                 "params": [
@@ -58,42 +31,15 @@
                 ]
             }
         ],
+        "timestamp": "2026-08-16T15:37:12.044264",
         "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.6"
-        },
-        "timestamp": "2025-08-11T06:12:34.257211014"
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.0"
+        }
     },
     "hto_data_10x - stub": {
         "content": [
             {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_assignment_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "1": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "3": [
-                    "versions.yml:md5,8fd954f7fb047e8ad17ff5710299ddf2"
-                ],
                 "assignment": [
                     [
                         {
@@ -123,48 +69,21 @@
                 ]
             }
         ],
+        "timestamp": "2026-08-16T15:37:30.94362",
         "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.6"
-        },
-        "timestamp": "2025-08-11T06:12:55.413127431"
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.0"
+        }
     },
     "hto_data_h5ad (generated, no real data)": {
         "content": [
             {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_assignment_hashsolo.csv:md5,e6ffa5719d0dc3d2236ced778327b50c"
-                    ]
-                ],
-                "1": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,df3a1793ebfd8843bbc7371b2c8b6ffe"
-                    ]
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,7054d81f10cb650a72f9dea5bb23f44b"
-                    ]
-                ],
-                "3": [
-                    "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
-                ],
                 "assignment": [
                     [
                         {
                             "id": "test"
                         },
-                        "test_assignment_hashsolo.csv:md5,e6ffa5719d0dc3d2236ced778327b50c"
+                        "test_assignment_hashsolo.csv"
                     ]
                 ],
                 "h5ad": [
@@ -172,7 +91,7 @@
                         {
                             "id": "test"
                         },
-                        "test_hashsolo.h5ad:md5,df3a1793ebfd8843bbc7371b2c8b6ffe"
+                        "test_hashsolo.h5ad"
                     ]
                 ],
                 "params": [
@@ -186,101 +105,23 @@
                 "versions": [
                     "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
                 ]
-            },
-            [
-                {
-                    "SCANPY_HASHSOLO": {
-                        "matplotlib": "3.10.5",
-                        "pandas": "2.3.1",
-                        "python": "3.12.11",
-                        "scanpy": "1.11.2"
-                    }
-                }
-            ]
-        ],
-        "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.6"
-        },
-        "timestamp": "2025-08-11T06:13:04.472233033"
-    },
-    "generated h5ad": {
-        "content": [
-            {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,e1f129270b67e8575dd060d44e1c0c4b"
-                    ]
-                ],
-                "1": [
-                    "versions.yml:md5,d4b55c68ad8effa4580cf202d802b007"
-                ],
-                "h5ad": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,e1f129270b67e8575dd060d44e1c0c4b"
-                    ]
-                ],
-                "versions": [
-                    "versions.yml:md5,d4b55c68ad8effa4580cf202d802b007"
-                ]
-            },
-            [
-                {
-                    "SCANPY_HASHSOLO": {
-                        "python": "3.12.11",
-                        "scanpy": "1.11.2"
-                    }
-                }
-            ]
+            }
         ],
+        "timestamp": "2026-08-16T15:37:38.150623",
         "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.3"
-        },
-        "timestamp": "2025-07-02T10:01:12.076734105"
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.0"
+        }
     },
     "hto_data_h5ad (generated, no real data) - ext.args": {
         "content": [
             {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_assignment_hashsolo.csv:md5,8cdd1b5a8c910c2842518cb3caac541d"
-                    ]
-                ],
-                "1": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,6a2d2b734d32c9b368361795deb7306d"
-                    ]
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,c9e859256e6d28dc03049496b7eee509"
-                    ]
-                ],
-                "3": [
-                    "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
-                ],
                 "assignment": [
                     [
                         {
                             "id": "test"
                         },
-                        "test_assignment_hashsolo.csv:md5,8cdd1b5a8c910c2842518cb3caac541d"
+                        "test_assignment_hashsolo.csv"
                     ]
                 ],
                 "h5ad": [
@@ -288,7 +129,7 @@
                         {
                             "id": "test"
                         },
-                        "test_hashsolo.h5ad:md5,6a2d2b734d32c9b368361795deb7306d"
+                        "test_hashsolo.h5ad"
                     ]
                 ],
                 "params": [
@@ -302,7 +143,16 @@
                 "versions": [
                     "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
                 ]
-            },
+            }
+        ],
+        "timestamp": "2026-08-16T15:37:45.568822",
+        "meta": {
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.0"
+        }
+    },
+    "versions": {
+        "content": [
             [
                 {
                     "SCANPY_HASHSOLO": {
@@ -314,206 +164,15 @@
                 }
             ]
         ],
+        "timestamp": "2026-08-17T15:05:52.67443",
         "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.6"
-        },
-        "timestamp": "2025-08-11T06:13:12.760175521"
-    },
-    "hto_matrix": {
-        "content": [
-            {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        [
-                            "test_hashsolo.csv:md5,3e7d7ceeb97d93830556311daff388cd",
-                            "test_params_hashsolo.csv:md5,c474067bceee23596942159ed2287f41"
-                        ]
-                    ]
-                ],
-                "1": [
-                    
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,043358088cc7f369ebf7ac005cca23fe"
-                    ]
-                ],
-                "3": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,c474067bceee23596942159ed2287f41"
-                    ]
-                ],
-                "4": [
-                    "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
-                ],
-                "assignment": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        [
-                            "test_hashsolo.csv:md5,3e7d7ceeb97d93830556311daff388cd",
-                            "test_params_hashsolo.csv:md5,c474067bceee23596942159ed2287f41"
-                        ]
-                    ]
-                ],
-                "h5ad": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,043358088cc7f369ebf7ac005cca23fe"
-                    ]
-                ],
-                "params": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,c474067bceee23596942159ed2287f41"
-                    ]
-                ],
-                "plot": [
-                    
-                ],
-                "versions": [
-                    "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
-                ]
-            }
-        ],
-        "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.3"
-        },
-        "timestamp": "2025-08-08T21:32:31.163776"
-    },
-    "hto_matrix - stub": {
-        "content": [
-            {
-                "0": [
-                    [
-                        [
-                            
-                        ],
-                        [
-                            "[]_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e",
-                            "[]_params_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                        ]
-                    ]
-                ],
-                "1": [
-                    [
-                        [
-                            
-                        ],
-                        "[]_hashsolo.jpg:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "2": [
-                    [
-                        [
-                            
-                        ],
-                        "[]_hashsolo.h5ad:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "3": [
-                    [
-                        [
-                            
-                        ],
-                        "[]_params_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "4": [
-                    "versions.yml:md5,8fd954f7fb047e8ad17ff5710299ddf2"
-                ],
-                "assignment": [
-                    [
-                        [
-                            
-                        ],
-                        [
-                            "[]_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e",
-                            "[]_params_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                        ]
-                    ]
-                ],
-                "h5ad": [
-                    [
-                        [
-                            
-                        ],
-                        "[]_hashsolo.h5ad:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "params": [
-                    [
-                        [
-                            
-                        ],
-                        "[]_params_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "plot": [
-                    [
-                        [
-                            
-                        ],
-                        "[]_hashsolo.jpg:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "versions": [
-                    "versions.yml:md5,8fd954f7fb047e8ad17ff5710299ddf2"
-                ]
-            }
-        ],
-        "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.3"
-        },
-        "timestamp": "2025-08-07T19:14:54.511322"
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.1"
+        }
     },
     "hto_data_h5ad (generated, no real data) - stub": {
         "content": [
             {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_assignment_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "1": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "3": [
-                    "versions.yml:md5,8fd954f7fb047e8ad17ff5710299ddf2"
-                ],
                 "assignment": [
                     [
                         {
@@ -541,101 +200,23 @@
                 "versions": [
                     "versions.yml:md5,8fd954f7fb047e8ad17ff5710299ddf2"
                 ]
-            },
-            [
-                {
-                    "SCANPY_HASHSOLO": {
-                        "python": "3.12.11",
-                        "scanpy": "1.11.2",
-                        "matplotlib": "3.10.5",
-                        "pandas": "2.3.1"
-                    }
-                }
-            ]
-        ],
-        "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.6"
-        },
-        "timestamp": "2025-08-11T06:13:22.084772685"
-    },
-    "generated h5ad - stub": {
-        "content": [
-            {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "1": [
-                    "versions.yml:md5,21a56a941355317a8e1ca02d207f64a8"
-                ],
-                "h5ad": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,d41d8cd98f00b204e9800998ecf8427e"
-                    ]
-                ],
-                "versions": [
-                    "versions.yml:md5,21a56a941355317a8e1ca02d207f64a8"
-                ]
-            },
-            [
-                {
-                    "SCANPY_HASHSOLO": {
-                        "python": "3.12.11",
-                        "scanpy": "1.11.2"
-                    }
-                }
-            ]
+            }
         ],
+        "timestamp": "2026-08-16T15:37:53.71203",
         "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.3"
-        },
-        "timestamp": "2025-07-02T10:01:21.413803466"
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.0"
+        }
     },
     "hto_data_10x - ext.args": {
         "content": [
             {
-                "0": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_assignment_hashsolo.csv:md5,dabd4b9a92e90c0030d86110fce3be40"
-                    ]
-                ],
-                "1": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_hashsolo.h5ad:md5,2625d58a4d9f0e24c8bf4066f06c3e70"
-                    ]
-                ],
-                "2": [
-                    [
-                        {
-                            "id": "test"
-                        },
-                        "test_params_hashsolo.csv:md5,4b992e5daf73b8f23f5d847df32dc177"
-                    ]
-                ],
-                "3": [
-                    "versions.yml:md5,f6178c11c8b15300ccafa689830c64e3"
-                ],
                 "assignment": [
                     [
                         {
                             "id": "test"
                         },
-                        "test_assignment_hashsolo.csv:md5,dabd4b9a92e90c0030d86110fce3be40"
+                        "test_assignment_hashsolo.csv"
                     ]
                 ],
                 "h5ad": [
@@ -643,7 +224,7 @@
                         {
                             "id": "test"
                         },
-                        "test_hashsolo.h5ad:md5,2625d58a4d9f0e24c8bf4066f06c3e70"
+                        "test_hashsolo.h5ad"
                     ]
                 ],
                 "params": [
@@ -659,10 +240,10 @@
                 ]
             }
         ],
+        "timestamp": "2026-08-16T15:37:21.324345",
         "meta": {
-            "nf-test": "0.9.2",
-            "nextflow": "25.04.6"
-        },
-        "timestamp": "2025-08-11T06:12:44.782219305"
+            "nf-test": "0.9.5",
+            "nextflow": "26.04.0"
+        }
     }
 }
\ No newline at end of file