diff --git a/servant-docs/servant-docs.cabal b/servant-docs/servant-docs.cabal
index 0e281520..f5991e93 100644
--- a/servant-docs/servant-docs.cabal
+++ b/servant-docs/servant-docs.cabal
@@ -1,5 +1,5 @@
 name:                servant-docs
-version:             0.4
+version:             0.4.0
 synopsis:            generate API docs for your servant webservice
 description:
   Library for generating API docs from a servant API definition.