diff --git a/postgres-websockets.cabal b/postgres-websockets.cabal
--- a/postgres-websockets.cabal
+++ b/postgres-websockets.cabal
@@ -1,5 +1,5 @@
 name:                postgres-websockets
-version:             0.5.0.0
+version:             0.5.0.1
 synopsis:            Middleware to map LISTEN/NOTIFY messages to Websockets
 description:         Please see README.md
 homepage:            https://github.com/diogob/postgres-websockets#readme
@@ -64,15 +64,11 @@
                      , protolude >= 0.2
                      , base64-bytestring
                      , bytestring
-                     , configurator
-                     , optparse-applicative
                      , text
                      , time
                      , wai
                      , wai-extra
                      , wai-app-static
-                     , heredoc
-                     , ansi-wl-pprint
                      , envparse
   default-language:    Haskell2010
   default-extensions: OverloadedStrings, NoImplicitPrelude, QuasiQuotes