diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index f68e2b2..cdcaf95 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: "3.11"
           cache: pip
           cache-dependency-path: requirements.txt
 
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 7747606..2f1ed8b 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -53,7 +53,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: "3.11"
       - name: Install dependencies
         run: pip install antsibull-changelog
 
diff --git a/.github/workflows/vendor.yml b/.github/workflows/vendor.yml
index b051fd9..cbf101d 100644
--- a/.github/workflows/vendor.yml
+++ b/.github/workflows/vendor.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: "3.11"
 
       - name: Ensure vendors are not diverging
         run: make vendor-check