diff --git a/api/portainer.go b/api/portainer.go
index bc50a5b50..735fa8728 100644
--- a/api/portainer.go
+++ b/api/portainer.go
@@ -862,7 +862,7 @@ const (
 	// MessageOfTheDayURL represents the URL where Portainer MOTD message can be retrieved
 	MessageOfTheDayURL = AssetsServerURL + "/motd.json"
 	// ExtensionDefinitionsURL represents the URL where Portainer extension definitions can be retrieved
-	ExtensionDefinitionsURL = AssetsServerURL + "/extensions-1.20.3.json"
+	ExtensionDefinitionsURL = AssetsServerURL + "/extensions-1.21.0.json"
 	// PortainerAgentHeader represents the name of the header available in any agent response
 	PortainerAgentHeader = "Portainer-Agent"
 	// PortainerAgentTargetHeader represent the name of the header containing the target node name