diff --git a/pkgs/development/libraries/haskell/atto-lisp/default.nix b/pkgs/development/libraries/haskell/atto-lisp/default.nix
index 9ee9ecd7a28c..6e69e3615853 100644
--- a/pkgs/development/libraries/haskell/atto-lisp/default.nix
+++ b/pkgs/development/libraries/haskell/atto-lisp/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "atto-lisp";
-  version = "0.2.1.2";
-  sha256 = "0xl5b0gblab3v2sfaxvx3z96660r9xp1m2n3ri6aph3kldbpkfcg";
+  version = "0.2.2";
+  sha256 = "13lhdalam4gn9faa58c3c7nssdwp2y0jsfl1lnnvr3dx6wzp0jhc";
   buildDepends = [
     attoparsec blazeBuilder blazeTextual deepseq text
   ];