diff --git a/.github/workflows/update_citations.yml b/.github/workflows/update_citations.yml
index 0bebb1836..6569a4c81 100644
--- a/.github/workflows/update_citations.yml
+++ b/.github/workflows/update_citations.yml
@@ -16,6 +16,8 @@ on:
 
 jobs:
   do-citation-updates:
+    runs-on: ubuntu-latest
+    
     steps:
       - name: Extract citation formats
         id: extract_formats