diff --git a/math-functions.cabal b/math-functions.cabal
--- a/math-functions.cabal
+++ b/math-functions.cabal
@@ -1,5 +1,5 @@
 name:           math-functions
-version:        0.2.0.1
+version:        0.2.0.2
 cabal-version:  >= 1.10
 license:        BSD3
 license-file:   LICENSE
@@ -36,9 +36,10 @@
     ScopedTypeVariables
     TemplateHaskell
     TypeFamilies
+    DeriveGeneric
 
   ghc-options:          -Wall -O2
-  build-depends:        base >=3 && <5,
+  build-depends:        base >=4.5 && <5,
                         deepseq,
                         vector >= 0.7,
                         primitive,
