diff --git a/pkgs/development/libraries/haskell/modular-arithmetic/default.nix b/pkgs/development/libraries/haskell/modular-arithmetic/default.nix
index 9a15b32f307..6a6a7c99d70 100644
--- a/pkgs/development/libraries/haskell/modular-arithmetic/default.nix
+++ b/pkgs/development/libraries/haskell/modular-arithmetic/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "modular-arithmetic";
-  version = "1.1.0.0";
-  sha256 = "02zxxz204ydyj28p65fqb920x5gbm7gba4yf9mhiw6ff0dcmxp37";
+  version = "1.2.0.0";
+  sha256 = "1qlvi0xjdvr4730xj303i6gp610mz4xrlrk191yy8hr7afjysm0k";
   meta = {
     description = "A type for integers modulo some constant";
     license = self.stdenv.lib.licenses.bsd3;