diff --git a/concurrent-supply.cabal b/concurrent-supply.cabal
--- a/concurrent-supply.cabal
+++ b/concurrent-supply.cabal
@@ -1,6 +1,6 @@
 name:          concurrent-supply
 category:      Concurrency, Parallelism
-version:       0.1.3
+version:       0.1.4.1
 license:       BSD3
 cabal-version: >= 1.10
 license-file:  LICENSE
@@ -27,5 +27,5 @@
   ghc-options: -Wall
   build-depends:
     base     >= 4 && < 5,
-    hashable >= 1.1 && < 1.2,
+    hashable >= 1.1 && < 1.3,
     ghc-prim >= 0.2 && < 0.4