diff --git a/.github/workflows/generate-census.yml b/.github/workflows/generate-census.yml
index 96862a9f..f1965df9 100644
--- a/.github/workflows/generate-census.yml
+++ b/.github/workflows/generate-census.yml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   deploy_data:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     defaults:
       run:
         working-directory: data/data-pipeline