diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index 6d76aac3..825b2828 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -20,7 +20,7 @@ jobs:
 
     env:
       COMPOSER_ROOT_VERSION: 1.0.0
-      EXTENSIONS: pdo, pdo_sqlsrv-5.10.1
+      EXTENSIONS: pdo, pdo_sqlsrv-5.12
 
     runs-on: ${{ matrix.os }}