diff --git a/pkgs/development/libraries/haskell/regular/default.nix b/pkgs/development/libraries/haskell/regular/default.nix
index 8dd7e04ec79..4b4e5458df2 100644
--- a/pkgs/development/libraries/haskell/regular/default.nix
+++ b/pkgs/development/libraries/haskell/regular/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "regular";
-  version = "0.3.2";
-  sha256 = "104rz28a22p5pn3rdzvmh13s1hpr46n463cfaz3w3bj9cimi2rcj";
+  version = "0.3.3";
+  sha256 = "1xlpp60nvdiqkcn66dnpww72hcawyc1w7cd9zk9kk88x574kqzf7";
   meta = {
     description = "Generic programming library for regular datatypes";
     license = self.stdenv.lib.licenses.bsd3;