diff --git a/gf.cabal b/gf.cabal
index 25cf122b1..308868911 100644
--- a/gf.cabal
+++ b/gf.cabal
@@ -71,7 +71,7 @@ flag c-runtime
 
 Library
   default-language:    Haskell2010
-  build-depends: base >= 4.3 && <5,
+  build-depends: base >= 4.5 && <5,
                  array,
                  containers,
                  bytestring,