diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 0ccc1cc03b46..f8d618a1e08e 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -159,7 +159,7 @@ jobs:
       image: ubuntu:${{ matrix.branch.version.minor >= 3 && '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 d07da1754731..4b645cdce27b 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -46,7 +46,7 @@ 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: