diff --git a/.github/workflows/sigma-test.yml b/.github/workflows/sigma-test.yml
index a68fc115f..d94d319dd 100644
--- a/.github/workflows/sigma-test.yml
+++ b/.github/workflows/sigma-test.yml
@@ -23,6 +23,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install pipenv
+        pipenv lock
         pipenv install --dev --deploy
     - name: Test Sigma Tools and Rules
       run: |