diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 8077ef8c..5a46fd27 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -21,9 +21,9 @@ jobs:
     strategy:
       matrix:
         version:
-          - '1.9'
           - '1.10'
           - '1.11'
+          - '1.12'
     timeout-minutes: 30
     steps:
       - name: Checkout
diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
index 759c3ce5..1c53c299 100644
--- a/.github/workflows/Downgrade.yml
+++ b/.github/workflows/Downgrade.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: ['1.9', '1.10', '1.11']
+        version: ['1.10', '1.11', '1.12']
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest