diff --git a/pkgs/development/libraries/haskell/ChasingBottoms/default.nix b/pkgs/development/libraries/haskell/ChasingBottoms/default.nix
index 6e4c4417e3c..719e5eb2cee 100644
--- a/pkgs/development/libraries/haskell/ChasingBottoms/default.nix
+++ b/pkgs/development/libraries/haskell/ChasingBottoms/default.nix
@@ -2,15 +2,14 @@
 
 cabal.mkDerivation (self: {
   pname = "ChasingBottoms";
-  version = "1.3.0.5";
-  sha256 = "0g3c52c8gpm0xlnxxdgazz0f7zpnjvdx5vffsv1zr3vcn3kp1xy0";
+  version = "1.3.0.6";
+  sha256 = "1l40n1ylzrbp0lhm80q9djl8mf39zvmw7zzlg0gzxsqbzwbsggx8";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [ mtl QuickCheck random syb ];
-  jailbreak = true;
   meta = {
     description = "For testing partial and infinite values";
-    license = "unknown";
+    license = self.stdenv.lib.licenses.mit;
     platforms = self.ghc.meta.platforms;
   };
 })