diff --git a/pkgs/development/libraries/haskell/sourcemap/default.nix b/pkgs/development/libraries/haskell/sourcemap/default.nix
index 602654b0a01c..ce0c89d4596d 100644
--- a/pkgs/development/libraries/haskell/sourcemap/default.nix
+++ b/pkgs/development/libraries/haskell/sourcemap/default.nix
@@ -3,8 +3,8 @@
 
 cabal.mkDerivation (self: {
   pname = "sourcemap";
-  version = "0.1.2.0";
-  sha256 = "040j2k1cwzlq5pybs6cg7wmf0x5i22zdidv2xvzdvgi5v7gf6kp1";
+  version = "0.1.3.0";
+  sha256 = "1flfsjs2z2zjzqwvmc2vcibvxh19s89ah4s560xr2s5mhdqwbkk5";
   buildDepends = [
     aeson attoparsec text unorderedContainers utf8String
   ];