diff --git a/pkgs/development/libraries/haskell/semigroups/default.nix b/pkgs/development/libraries/haskell/semigroups/default.nix
index 21cbc893e22..1e8fc38f3a3 100644
--- a/pkgs/development/libraries/haskell/semigroups/default.nix
+++ b/pkgs/development/libraries/haskell/semigroups/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "semigroups";
-  version = "0.15";
-  sha256 = "1fkinmjyx7r39c8hf8f6n9zgn6m7c2y7l0san43s4g2cfg8pxn5s";
+  version = "0.15.1";
+  sha256 = "1vacnw598pl9acbcjjblrpdmjhmj3wz1ifrn9ki4q7yrsh4ml7mc";
   buildDepends = [ hashable nats text unorderedContainers ];
   meta = {
     homepage = "http://github.com/ekmett/semigroups/";