diff --git a/.github/workflows/sigma-test.yml b/.github/workflows/sigma-test.yml
index 316c6ef386d..a2cd5acf698 100644
--- a/.github/workflows/sigma-test.yml
+++ b/.github/workflows/sigma-test.yml
@@ -76,6 +76,7 @@ jobs:
     - name: Install dependencies
       run: |
         # pip install sigma-cli~=0.7.1
+        pip install pysigma==0.11.9
         pip install sigma-cli
         pip install pySigma-validators-sigmahq==0.7.0
     - name: Test Sigma Rule Syntax