diff --git a/pkgs/development/interpreters/joker/default.nix b/pkgs/development/interpreters/joker/default.nix
index 669bbc951239..df8ad2fbe4d7 100644
--- a/pkgs/development/interpreters/joker/default.nix
+++ b/pkgs/development/interpreters/joker/default.nix
@@ -2,17 +2,21 @@
 
 buildGoModule rec {
   pname = "joker";
-  version = "0.12.9";
+  version = "0.14.0";
 
   src = fetchFromGitHub {
     rev = "v${version}";
     owner = "candid82";
     repo = "joker";
-    sha256 = "19n2pzs045mflyzgq3cpa4w2fbd0f77j5k6c4yc3gk0mcwgdxhs2";
+    sha256 = "1b38alajxs89a9x3f3ldk1nlynp6j90qhl1m2c6561rsm41sqfz0";
   };
 
   modSha256 = "0i16vf7n1xfz5kp9w3fvyc9y9wgz4h396glgpdaznpxjr12rb43j";
 
+  preBuild = ''
+    go generate ./...
+  '';
+
   meta = with stdenv.lib; {
     homepage = https://github.com/candid82/joker;
     description = "A small Clojure interpreter and linter written in Go";