diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0ad8841e26..e23550dbd6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1806,7 +1806,7 @@ jobs:
       - run:
           name: Install Dependencies
           command: |
-            uv sync --frozen --all-groups --all-extras --python 3.13
+            uv sync --frozen --all-groups --all-extras --python 3.12
       - run:
           name: Build Docker image
           command: |
diff --git a/.github/workflows/check_duplicate_issues.yml b/.github/workflows/check_duplicate_issues.yml
index 289d78880a..78198b2c7b 100644
--- a/.github/workflows/check_duplicate_issues.yml
+++ b/.github/workflows/check_duplicate_issues.yml
@@ -39,7 +39,7 @@ jobs:
         if: github.event.action == 'opened'
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Auto-close if high-confidence duplicate
         if: github.event.action == 'opened'
diff --git a/.github/workflows/llm-translation-testing.yml b/.github/workflows/llm-translation-testing.yml
index 93b69e5c6a..8d9d52f4e5 100644
--- a/.github/workflows/llm-translation-testing.yml
+++ b/.github/workflows/llm-translation-testing.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Set up uv
         uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7
diff --git a/.github/workflows/scan_duplicate_issues.yml b/.github/workflows/scan_duplicate_issues.yml
index 222ff11f30..ab0ac2aa3a 100644
--- a/.github/workflows/scan_duplicate_issues.yml
+++ b/.github/workflows/scan_duplicate_issues.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
-          python-version: "3.13"
+          python-version: "3.12"
 
       - name: Scan for duplicate issues
         env: