diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7bdf6edcc..3fa7f4033 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,14 +16,13 @@ jobs:
             matrix:
                 wordpress:
                     - latest
-                    - '6.5.5'
-                    - '6.4.5'
+                    - '6.4.3'
+                    - '6.3.3'
                 php:
                     - '7.4'
                     - '8.0'
                     - '8.1'
                     - '8.2'
-                    - '8.3'
 
         name: WP ${{ matrix.wordpress }} / PHP ${{ matrix.php }}
         steps: