diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5b4a0d7..39b6318 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ on:
       PYTHON_VERSION_DEFAULT:
         description: Default Python version
         required: false
-        default: 3.9.15
+        default: 3.11.14
         type: string
       PRE_COMMIT_CACHE_PATH:
         description: Pre-commit cache path
@@ -31,7 +31,7 @@ on:
         type: string
       PYTHON_MATRIX:
         description: 'Comma-separated list of Python versions e.g. "3.11","3.12"'
-        default: '"3.9.15", "3.10.8", "3.11.0", "3.12.9", "3.13.2"'
+        default: '"3.11.14", "3.12.12", "3.13.8", "3.14.0"'
         required: false
         type: string
 
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 39528ec..eb194cd 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -7,7 +7,7 @@ on:
       PYTHON_VERSION_DEFAULT:
         description: Default Python version
         required: false
-        default: "3.9"
+        default: "3.11"
         type: string
 
     secrets: