diff --git a/.github/workflows/DataExtractorAll.yml b/.github/workflows/DataExtractorAll.yml
index cd28403..7b0dac1 100644
--- a/.github/workflows/DataExtractorAll.yml
+++ b/.github/workflows/DataExtractorAll.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build_linux:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     env:
       extractorDir: ./DataExtractor