diff --git a/shared/version/flex.go b/shared/version/flex.go
index dbaacc6d6f8e..b3cb1ece8652 100644
--- a/shared/version/flex.go
+++ b/shared/version/flex.go
@@ -1,7 +1,7 @@
 package version
 
 // Version contains the LXD version number.
-var Version = "5.21"
+var Version = "5.21.0"
 
 // IsLTSVersion indicates this is an LTS version of LXD.
 var IsLTSVersion = true