diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 4e7f4a05..82f6a99b 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -22,6 +22,10 @@ jobs:
         steps:
             - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
 
+            - name: Install Composer dependencies
+              run: |
+                  composer install
+
             - name: Use desired version of NodeJS
               uses: actions/setup-node@8c91899e586c5b171469028077307d293428b516 # v3.5.1
               with: