diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 62eb60a6cab..61baafa927b 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -48,7 +48,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           cache-environment: true
diff --git a/.github/workflows/cache_data.yaml b/.github/workflows/cache_data.yaml
index 5565da7b624..6994fe6ad93 100644
--- a/.github/workflows/cache_data.yaml
+++ b/.github/workflows/cache_data.yaml
@@ -50,7 +50,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           create-args: >-
diff --git a/.github/workflows/ci_docs.yml b/.github/workflows/ci_docs.yml
index 29c5f678e4f..40c3c99520f 100644
--- a/.github/workflows/ci_docs.yml
+++ b/.github/workflows/ci_docs.yml
@@ -83,7 +83,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           cache-environment: true
diff --git a/.github/workflows/ci_doctests.yaml b/.github/workflows/ci_doctests.yaml
index 92ad8de129e..bad35d2bb1a 100644
--- a/.github/workflows/ci_doctests.yaml
+++ b/.github/workflows/ci_doctests.yaml
@@ -45,7 +45,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           create-args: >-
diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 178fd7580a5..68faa79a394 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -120,7 +120,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           cache-environment: true
diff --git a/.github/workflows/ci_tests_dev.yaml b/.github/workflows/ci_tests_dev.yaml
index c1d0d98a7c4..71666672337 100644
--- a/.github/workflows/ci_tests_dev.yaml
+++ b/.github/workflows/ci_tests_dev.yaml
@@ -64,7 +64,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           cache-environment: true
diff --git a/.github/workflows/ci_tests_legacy.yaml b/.github/workflows/ci_tests_legacy.yaml
index e7ba82d32c8..d73e10bd808 100644
--- a/.github/workflows/ci_tests_legacy.yaml
+++ b/.github/workflows/ci_tests_legacy.yaml
@@ -54,7 +54,7 @@ jobs:
 
       # Install Micromamba with conda-forge dependencies
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@ce51e99f4bb8a82ab7158c4dc59ef4634c59c4f9 # v3.1.0
+        uses: mamba-org/setup-micromamba@f457c30a868e4760d3a6fcea5f25dc655b8edf39 # v3.2.1
         with:
           environment-name: pygmt
           create-args: >-