diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 2518d8d9f1..08e39ea2e6 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,7 +39,7 @@ jobs:
         version: 1.0
     - name: Install liboqs
       run: |
-        git clone https://github.com/open-quantum-safe/liboqs.git
+        git clone --branch 0.9.0 https://github.com/open-quantum-safe/liboqs.git
         cd liboqs
         mkdir build
         cd build