diff --git a/pkgs/development/libraries/haskell/multiarg/default.nix b/pkgs/development/libraries/haskell/multiarg/default.nix
index 9af9210d74c..c8a7b479c54 100644
--- a/pkgs/development/libraries/haskell/multiarg/default.nix
+++ b/pkgs/development/libraries/haskell/multiarg/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "multiarg";
-  version = "0.10.0.0";
-  sha256 = "09clgin66i2m0b3ws7di9p15cy9bd144as832xpx4li6cfbg16ip";
+  version = "0.12.0.0";
+  sha256 = "1v2bfqbjk4wxn5dzd7asqcfidlr9bmwc5yy7awp86ch669kjnbzd";
   buildDepends = [ explicitException utf8String ];
   meta = {
     homepage = "https://github.com/massysett/multiarg";