diff --git a/specs-go/version.go b/specs-go/version.go
index 1e0d10494..0e7d3be29 100644
--- a/specs-go/version.go
+++ b/specs-go/version.go
@@ -25,7 +25,7 @@ const (
 	VersionPatch = 0
 
 	// VersionDev indicates development branch. Releases will be empty string.
-	VersionDev = "-rc4-dev"
+	VersionDev = "-rc5-dev"
 )
 
 // Version is the specification version that the package types support.