diff --git a/hw-prim.cabal b/hw-prim.cabal
--- a/hw-prim.cabal
+++ b/hw-prim.cabal
@@ -1,5 +1,5 @@
 name:                   hw-prim
-version:                0.3.0.3
+version:                0.3.0.4
 synopsis:               Primitive functions and data types
 description:            Please see README.md
 homepage:               http://github.com/haskell-works/hw-prim#readme
@@ -19,7 +19,7 @@
   main-is:              Main.hs
   ghc-options:          -threaded -rtsopts -with-rtsopts=-N -Wall -msse4.2
   build-depends:        base                          >= 4          && < 5
-                      , hw-prim                       >= 0.3.0.0
+                      , hw-prim
   default-language:     Haskell2010
 
 library
@@ -59,8 +59,6 @@
                       , HaskellWorks.Data.Widen.Widen64
   build-depends:        base                          >= 4          && < 5
                       , bytestring
-                      , deepseq
-                      , random
                       , vector
 
   default-language:     Haskell2010
@@ -74,7 +72,7 @@
   build-depends:        base                          >= 4          && < 5
                       , bytestring
                       , hspec
-                      , hw-prim                       >= 0.3.0.0
+                      , hw-prim
                       , QuickCheck
                       , random
                       , vector
@@ -93,5 +91,5 @@
     Default-Language: Haskell2010
     Build-Depends:      base                          >= 4          && < 5
                       , criterion
-                      , hw-prim                       >= 0.3.0.0
+                      , hw-prim
                       , vector