diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0b29ddb906e..db7baf445f7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -463,12 +463,13 @@ jobs:
       - lib-rust
       - lib-go
       - lib-python
+      - lib-php
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        server_lang: ['java', 'kotlin', 'go', 'rs', 'swift']
+        server_lang: ['java', 'kotlin', 'go', 'rs', 'swift', 'php']
         # we always use comma join as many client langs as possible, to reduce the number of jobs
-        client_lang: ['java,kotlin', 'go,rs', 'swift']
+        client_lang: ['java,kotlin', 'go,rs', 'swift', 'php']
       fail-fast: false
     steps:
       - uses: actions/checkout@v4