diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7dace8c..f3a140a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,9 @@ jobs:
           - mw: 'REL1_42'
             php: 8.2
             experimental: false
+          - mw: 'REL1_43'
+            php: 8.3
+            experimental: false
           - mw: 'master'
             php: 8.3
             experimental: true