diff --git a/pkgs/development/libraries/haskell/classy-prelude-conduit/default.nix b/pkgs/development/libraries/haskell/classy-prelude-conduit/default.nix
index 66a5b51b1896..0b4ae85c73a1 100644
--- a/pkgs/development/libraries/haskell/classy-prelude-conduit/default.nix
+++ b/pkgs/development/libraries/haskell/classy-prelude-conduit/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "classy-prelude-conduit";
-  version = "0.4.4";
-  sha256 = "1xsqdifqm68mlrmpmj04nqd5r83psq5ffis2pm8k8vwl1n1jv8kn";
+  version = "0.5.0";
+  sha256 = "1c1j9cxj08nz1pkrdxhphk6zyn1dxf3wbl8phcrzi8qk6q1vi0bi";
   buildDepends = [
     classyPrelude conduit monadControl resourcet transformers void
     xmlConduit