diff --git a/cyclotomic.cabal b/cyclotomic.cabal
--- a/cyclotomic.cabal
+++ b/cyclotomic.cabal
@@ -1,5 +1,5 @@
 Name:                cyclotomic
-Version:             0.5.0.0
+Version:             0.5.1
 Stability:           experimental
 Synopsis:            A subfield of the complex numbers for exact calculation.
 Description:         The cyclotomic numbers are a subset of the
@@ -38,7 +38,7 @@
 Library
   ghc-options:       -Wall
   Exposed-modules:   Data.Complex.Cyclotomic, Data.Number.RealCyclotomic
-  Build-depends:     base >= 4.2 && < 4.11,
+  Build-depends:     base >= 4.2 && < 4.12,
                      containers >= 0.3,
                      arithmoi >= 0.4
   default-language:  Haskell2010