diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index a5f89915192..210d9a7a232 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -161,7 +161,7 @@ jobs:
       image: ubuntu:${{ (matrix.branch.ref == 'PHP-8.3' || matrix.branch.ref == 'master') && '22.04' || '20.04' }}
     services:
       mysql:
-        image: mysql:8
+        image: mysql:8.3
         ports:
           - 3306:3306
         env:
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index d01d02e0f0d..b35f82a1a95 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -48,7 +48,7 @@ jobs:
     if: github.repository == 'php/php-src' || github.event_name == 'pull_request'
     services:
       mysql:
-        image: mysql:8
+        image: mysql:8.3
         ports:
           - 3306:3306
         env: