diff --git a/pkgs/development/libraries/haskell/MemoTrie/default.nix b/pkgs/development/libraries/haskell/MemoTrie/default.nix
index 115ad935ae1..f3bd183d137 100644
--- a/pkgs/development/libraries/haskell/MemoTrie/default.nix
+++ b/pkgs/development/libraries/haskell/MemoTrie/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "MemoTrie";
-  version = "0.5";
-  sha256 = "07knq5ccsyicznvr25vlbzadrgdw2aic71hhbv6v16wra1f17gbf";
+  version = "0.6.1";
+  sha256 = "1bx0xd28irxjrq181wirx0vdrdj4qg4n4wj7ya27lkh408mwsxm6";
   buildDepends = [ void ];
   meta = {
     homepage = "http://haskell.org/haskellwiki/MemoTrie";