diff --git a/hoauth2.cabal b/hoauth2.cabal
--- a/hoauth2.cabal
+++ b/hoauth2.cabal
@@ -1,6 +1,6 @@
 Name:                hoauth2
 -- (http://www.haskell.org/haskellwiki/Package_versioning_policy)
-Version:             0.4.4
+Version:             0.4.5
 
 Synopsis:            hoauth2
 Description:
@@ -57,17 +57,12 @@
     Network.OAuth.OAuth2
 
   Build-Depends:
-    aeson             >= 0.7    && < 0.9,
     base              >= 4      && < 5,
+    aeson             >= 0.7    && < 0.9,
     text              >= 0.11   && < 1.3,
     bytestring        >= 0.10.4 && < 0.10.5,
-    bytestring-show   >= 0.3.5  && < 0.4,
     http-conduit      >= 2.0    && < 2.2,
-    http-types        >= 0.8    && < 0.9,
-    monad-control     >= 1      && < 1.1,
-    mtl               >= 1      && < 2.3,
-    transformers      >= 0.2    && < 0.5,
-    random
+    http-types        >= 0.8    && < 0.9
 
   if impl(ghc >= 6.12.0)
       ghc-options: -Wall -fwarn-tabs -funbox-strict-fields