diff --git a/setup-python/README.md b/setup-python/README.md
index d6c4f14..b3cda16 100644
--- a/setup-python/README.md
+++ b/setup-python/README.md
@@ -5,7 +5,7 @@ The `ni/python-actions/setup-python` action installs Python and adds it to the P
 It is a thin wrapper for https://github.com/actions/setup-python which is intended to
 single-source the default Python version for multiple NI Python projects.
 
-By default, this action installs Python 3.11.9.
+By default, this action installs Python 3.13.11.
 
 ## Usage
 
diff --git a/setup-python/action.yml b/setup-python/action.yml
index 3e92b9c..0742ada 100644
--- a/setup-python/action.yml
+++ b/setup-python/action.yml
@@ -2,7 +2,7 @@ name: Set up Python
 description: Install Python with appropriate defaults for NI Python projects.
 inputs:
   python-version:
-    default: 3.11.9
+    default: 3.13.11
 outputs:
   python-path:
     value: ${{ steps.setup-python.outputs.python-path }}