diff --git a/foldl.cabal b/foldl.cabal
--- a/foldl.cabal
+++ b/foldl.cabal
@@ -1,5 +1,5 @@
 Name: foldl
-Version: 1.1.4
+Version: 1.1.5
 Cabal-Version: >=1.8.0.2
 Build-Type: Simple
 License: BSD3
@@ -21,7 +21,7 @@
 Library
     HS-Source-Dirs: src
     Build-Depends:
-        base         >= 4        && < 5   ,
+        base         >= 4.5      && < 5   ,
         bytestring   >= 0.9.2.1  && < 0.11,
         mwc-random   >= 0.13.1.0 && < 0.14,
         primitive                   < 0.7 ,