diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bf58538..87b9f7a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,6 +14,7 @@ jobs:
         strategy:
           fail-fast: false
           matrix:
+            php: ['X32']
             include:
               # Latest librdkafka 2.x with memcheck
               - php: '8.3.0'