diff --git a/.github/workflows/ext.yml b/.github/workflows/ext.yml
index 06e5e66..4be0b26 100644
--- a/.github/workflows/ext.yml
+++ b/.github/workflows/ext.yml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, ubuntu-16.04, macos-latest]
-        php: [7.2, 7.3, 7.4, 8.0, 8.1]
+        php: [7.2, 7.3, 7.4, 8.0]
     steps:
     - uses: actions/checkout@v1
     - name: Setup PHP