diff --git a/pkgs/development/libraries/haskell/string-conversions/default.nix b/pkgs/development/libraries/haskell/string-conversions/default.nix
index 5176cad03cd3..9225bacbfe30 100644
--- a/pkgs/development/libraries/haskell/string-conversions/default.nix
+++ b/pkgs/development/libraries/haskell/string-conversions/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "string-conversions";
-  version = "0.3.0.2";
-  sha256 = "0jcm0vv0ll74zfc7s2l8qpqpbfnkv7ir9d1kg68m6b0f9sq0dgng";
+  version = "0.3.0.3";
+  sha256 = "0n2ifim9n5vm305r989lh5xlbd8qc6byip2nfavf6gd2bcscs84p";
   buildDepends = [ text utf8String ];
   meta = {
     description = "Simplifies dealing with different types for strings";