diff --git a/.github/workflows/code_analysis.yaml b/.github/workflows/code_analysis.yaml
index e6ef697..a0ae72a 100644
--- a/.github/workflows/code_analysis.yaml
+++ b/.github/workflows/code_analysis.yaml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.3', '7.4', '8.0']
+        php: ['7.3', '7.4', '8.0', '8.1']
         actions:
           - name: PHPStan
             run: composer phpstan