diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 3a14063..c26acc6 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -8,7 +8,7 @@ env:
   # Replace HI with the ID of the instance in capital letters
   ARTIFACT: webHelpIN2-all.zip
   # Docker image version
-  DOCKER_VERSION: 242.21870
+  DOCKER_VERSION: "242.21870"
 
 jobs:
   build: