diff --git a/azure-pipelines/pipelines.yaml b/azure-pipelines/pipelines.yaml
index 001ce405..5fdef398 100644
--- a/azure-pipelines/pipelines.yaml
+++ b/azure-pipelines/pipelines.yaml
@@ -134,7 +134,9 @@ stages:
           py313:
             python.version: 3.13
           py314:
-            python.version: 3.14.0-rc.2
+            python.version: 3.14
+          py315:
+            python.version: 3.15.0-rc.1
 
       steps:
 
@@ -177,7 +179,9 @@ stages:
           py313:
             python.version: 3.13
           py314:
-            python.version: 3.14.0-rc.2
+            python.version: 3.14
+          py315:
+            python.version: 3.15.0-rc.1
 
       steps:
 
@@ -220,7 +224,9 @@ stages:
           py313:
             python.version: 3.13
           py314:
-            python.version: 3.14.0-rc.2
+            python.version: 3.14
+          py315:
+            python.version: 3.15.0-rc.1
 
       steps:
 
diff --git a/setup.py b/setup.py
index 96fd8c53..4e88d506 100644
--- a/setup.py
+++ b/setup.py
@@ -168,6 +168,7 @@ def tail_is(*suffixes):
             "Programming Language :: Python :: 3.12",
             "Programming Language :: Python :: 3.13",
             "Programming Language :: Python :: 3.14",
+            "Programming Language :: Python :: 3.15",
             "Topic :: Software Development :: Debuggers",
             "Operating System :: Microsoft :: Windows",
             "Operating System :: MacOS",
diff --git a/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/py_version.hpp b/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/py_version.hpp
index 15c05537..83714090 100644
--- a/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/py_version.hpp
+++ b/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/py_version.hpp
@@ -25,6 +25,7 @@ enum PythonVersion {
     PythonVersion_312 = 0x030C,
     PythonVersion_313 = 0x030D,
     PythonVersion_314 = 0x030E,
+    PythonVersion_315 = 0x030F,
 };
 
 
@@ -82,6 +83,9 @@ static PythonVersion GetPythonVersion(void *module) {
                     if(version[3] == '4'){
                         return PythonVersion_314;
                     }
+                    if(version[3] == '5'){
+                        return PythonVersion_315;
+                    }
                 }
                 return PythonVersion_Unknown; // we don't care about 3.1 anymore...
             
@@ -99,4 +103,4 @@ static PythonVersion GetPythonVersion(void *module) {
     return PythonVersion_Unknown;
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/tox.ini b/tox.ini
index e53b29f0..8b63ad4a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{310,311,312,313,314}{,-cov}
+envlist = py{310,311,312,313,314,315}{,-cov}
 
 [testenv]
 deps = -rtests/requirements.txt
@@ -8,5 +8,5 @@ setenv =
     DEBUGPY_TEST=1
 commands_pre = python build_attach_binaries.py
 commands =
-    py{310,311,312,313,314}-!cov: python -Xfrozen_modules=off -m pytest {posargs}
-    py{310,311,312,313,314}-cov: python -Xfrozen_modules=off -m pytest --cov --cov-append --cov-config=.coveragerc {posargs}
+    py{310,311,312,313,314,315}-!cov: python -Xfrozen_modules=off -m pytest {posargs}
+    py{310,311,312,313,314,315}-cov: python -Xfrozen_modules=off -m pytest --cov --cov-append --cov-config=.coveragerc {posargs}