diff --git a/.github/workflows/testAndPublish.yml b/.github/workflows/testAndPublish.yml
index 9398a3b37b2..9f63b309d17 100644
--- a/.github/workflows/testAndPublish.yml
+++ b/.github/workflows/testAndPublish.yml
@@ -35,8 +35,8 @@ env:
   supportedRunners: '["windows-2022", "windows-2025"]'
   defaultArch: x64
   supportedArchitectures: '["x64"]'
-  defaultPythonVersion: '3.13.12'
-  supportedPythonVersions: '["3.13.12"]'
+  defaultPythonVersion: '3.13.13'
+  supportedPythonVersions: '["3.13.13"]'
 
 jobs:
   matrix:
diff --git a/.python-versions b/.python-versions
index 4f915cdcc7c..c799318b8e1 100644
--- a/.python-versions
+++ b/.python-versions
@@ -1 +1 @@
-cpython-3.13.12-windows-x86_64-none
+cpython-3.13.13-windows-x86_64-none
diff --git a/projectDocs/dev/createDevEnvironment.md b/projectDocs/dev/createDevEnvironment.md
index 6c7349c7415..0535a329c11 100644
--- a/projectDocs/dev/createDevEnvironment.md
+++ b/projectDocs/dev/createDevEnvironment.md
@@ -49,7 +49,7 @@ The following dependencies need to be installed on your system:
 
 #### Python
 
-[Python](https://www.python.org/), version 3.13.12, 64-bit.
+[Python](https://www.python.org/), version 3.13.13, 64-bit.
 Install the python version listed in [.python-versions](../../.python-versions)
 
 #### uv
diff --git a/runtime-builders/synthDriverHost32/.python-version b/runtime-builders/synthDriverHost32/.python-version
index e30889b101a..fe6f212a493 100644
--- a/runtime-builders/synthDriverHost32/.python-version
+++ b/runtime-builders/synthDriverHost32/.python-version
@@ -1 +1 @@
-cpython-3.13.12-windows-x86-none
+cpython-3.13.13-windows-x86-none
diff --git a/user_docs/en/changes.md b/user_docs/en/changes.md
index 93821b8bbd8..a9af9942ff4 100644
--- a/user_docs/en/changes.md
+++ b/user_docs/en/changes.md
@@ -64,7 +64,7 @@ This is more noticeable for Windows releases which are enablement packages on to
 Please refer to [the developer guide](https://download.nvaccess.org/documentation/developerGuide.html#API) for information on NVDA's API deprecation and removal process.
 
 * Updated components:
-  * Python from 3.13.11 to 3.13.12. (#19572, @dpy013)
+  * Python from 3.13.12 to 3.13.13. (#19921, @dpy013)
   * Ruff to 0.15.9. (#19548, #19908)
   * uv to 0.11.4. (#19548, #19908)
   * Requests to 2.33.0. (#19877)