diff --git a/pkgs/development/libraries/haskell/dual-tree/default.nix b/pkgs/development/libraries/haskell/dual-tree/default.nix
index a37b8652150..54f1da65316 100644
--- a/pkgs/development/libraries/haskell/dual-tree/default.nix
+++ b/pkgs/development/libraries/haskell/dual-tree/default.nix
@@ -2,10 +2,9 @@
 
 cabal.mkDerivation (self: {
   pname = "dual-tree";
-  version = "0.1.0.1";
-  sha256 = "09bdid65frccpbh1bs01f7vprq0vfgqsb5bfa4j8yi3q773mycb2";
+  version = "0.1.0.2";
+  sha256 = "0ys50m8yjksxi33qyk6ql4ldpdzb0fvxqvywi3y46xi16w5yrkb0";
   buildDepends = [ monoidExtras newtype semigroups ];
-  jailbreak = true;
   meta = {
     description = "Rose trees with cached and accumulating monoidal annotations";
     license = self.stdenv.lib.licenses.bsd3;