diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9b7307a..1f003a9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,6 +31,8 @@ jobs:
 
       - name: "Coding Style"
         run: "composer cs-check"
+        if: matrix.operating-system == 'ubuntu-latest'
 
       - name: "Static code analysis"
         run: "composer psalm"
+        if: matrix.operating-system == 'ubuntu-latest'