diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6b57f614..05ece45f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,7 +33,7 @@ jobs:
           path: "pulp-openapi-generator"
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ec20df0..0bfd54a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
           path: "pulp_python"
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
@@ -61,7 +61,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.12"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/create-branch.yml b/.github/workflows/create-branch.yml
index bc141977..fcc7293e 100644
--- a/.github/workflows/create-branch.yml
+++ b/.github/workflows/create-branch.yml
@@ -38,7 +38,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ee9d46da..ccfd3b5e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -29,7 +29,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/pr_checks.yml b/.github/workflows/pr_checks.yml
index 794be327..ece93c57 100644
--- a/.github/workflows/pr_checks.yml
+++ b/.github/workflows/pr_checks.yml
@@ -40,7 +40,7 @@ jobs:
           fetch-depth: 0
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 514e2029..1007fabc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,7 +33,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/sanity.yml b/.github/workflows/sanity.yml
index 2382b374..74a98482 100644
--- a/.github/workflows/sanity.yml
+++ b/.github/workflows/sanity.yml
@@ -32,7 +32,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 00e64503..3900116c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,7 +43,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/update-labels.yml b/.github/workflows/update-labels.yml
index 59db92a5..5c4b1e42 100644
--- a/.github/workflows/update-labels.yml
+++ b/.github/workflows/update-labels.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with:
diff --git a/.github/workflows/update_ci.yml b/.github/workflows/update_ci.yml
index 6536c4fc..36b5995e 100644
--- a/.github/workflows/update_ci.yml
+++ b/.github/workflows/update_ci.yml
@@ -34,7 +34,7 @@ jobs:
 
       - uses: "actions/setup-python@v6"
         with:
-          python-version: "3.11"
+          python-version: "3.9"
       - name: "Install uv"
         uses: "astral-sh/setup-uv@v7"
         with: