diff --git a/application/src/main/resources/tb-edge.yml b/application/src/main/resources/tb-edge.yml
index 935184eaa5..297e4bd321 100644
--- a/application/src/main/resources/tb-edge.yml
+++ b/application/src/main/resources/tb-edge.yml
@@ -258,7 +258,7 @@ ui:
   # Help parameters
   help:
     # Base URL for UI help assets
-    base-url: "${UI_HELP_BASE_URL:https://raw.githubusercontent.com/thingsboard/thingsboard-ui-help/release-4.0}"
+    base-url: "${UI_HELP_BASE_URL:https://raw.githubusercontent.com/thingsboard/thingsboard-ui-help/release-3.9}"
 
 # Database telemetry parameters
 database: