diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3ad35e9..88321d9 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -26,7 +26,7 @@ jobs:
         os: [ubuntu-latest]
         gap-branch:
           - master
-          - stable-4.11
+          - stable-4.12
 
     steps:
       - uses: actions/checkout@v3