diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8d518a7b831..f0266c72174 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -335,7 +335,7 @@ jobs:
       - name: Install Python tooling
         run: |
           python -m pip install --upgrade pip
-          python -m pip install pytest ruff
+          python -m pip install pytest ruff pyyaml
 
       - name: Lint Python skill scripts
         run: python -m ruff check skills