diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 475df04..e4e39d1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: 7.3
+        php: [7.3]
 
     steps:
       - name: Checkout