diff --git a/.github/workflows/builds.yml b/.github/workflows/builds.yml
index 8591b80..c74b466 100644
--- a/.github/workflows/builds.yml
+++ b/.github/workflows/builds.yml
@@ -68,7 +68,7 @@ jobs:
         shell: bash
         run: |
           python -c "import sys; print(sys.version)"
-          python -m pip install scons
+          python -m pip install scons==4.5.2
           scons --version
 
       - name: Linux dependencies