diff --git a/pkgs/development/libraries/haskell/cmdargs/default.nix b/pkgs/development/libraries/haskell/cmdargs/default.nix
index f3c6bc95a18..4e8b236464a 100644
--- a/pkgs/development/libraries/haskell/cmdargs/default.nix
+++ b/pkgs/development/libraries/haskell/cmdargs/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "cmdargs";
-  version = "0.7";
-  sha256 = "0qijfdc66f0r2k272sl41nxfymmsk7naw5is3b4zyxsgm147c0vq";
+  version = "0.8";
+  sha256 = "0yhjg6rck1aj8gq07i9dcfxyjffxlr4lxnir2brkyahpfx5iyw9k";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [ transformers ];