diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cc52d92c..4ae1b947 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,6 +17,10 @@ jobs:
         with:
           python-version: "3.10"
 
+      - name: Install dependencies
+        run: |
+          pip install pyyaml
+
       - name: 🔍 Validate Skills (Soft Mode)
         run: |
           python3 scripts/validate_skills.py