diff --git a/pkgs/development/libraries/haskell/vault/default.nix b/pkgs/development/libraries/haskell/vault/default.nix
index 6039e7424772..f73633b4f248 100644
--- a/pkgs/development/libraries/haskell/vault/default.nix
+++ b/pkgs/development/libraries/haskell/vault/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "vault";
-  version = "0.2.0.4";
-  sha256 = "1a63rarksp4waj64b9kv8q77wbhdnsnxahkixl1klp25hkp8aan3";
+  version = "0.3.0.0";
+  sha256 = "1lvv2sw5j48jbxniw55bxq88dhn46l7lk0blv2cnaf1vw6wms4m8";
   buildDepends = [ hashable unorderedContainers ];
   meta = {
     homepage = "https://github.com/HeinrichApfelmus/vault";