diff --git a/specs-go/version.go b/specs-go/version.go
index dfcf0090e..4804b80fc 100644
--- a/specs-go/version.go
+++ b/specs-go/version.go
@@ -11,7 +11,7 @@ const (
 	VersionPatch = 0
 
 	// VersionDev indicates development branch. Releases will be empty string.
-	VersionDev = "-rc5-dev"
+	VersionDev = "-rc6"
 )
 
 // Version is the specification version that the package types support.