diff --git a/pkgs/development/tools/jo/default.nix b/pkgs/development/tools/jo/default.nix
index 653867956ff..8ec8deaefe0 100644
--- a/pkgs/development/tools/jo/default.nix
+++ b/pkgs/development/tools/jo/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "jo";
-  version = "1.4";
+  version = "1.6";
 
   src = fetchFromGitHub {
     owner  = "jpmens";
     repo = "jo";
     rev = version;
-    sha256 ="1jnv3g38vaa66m83hqibyki31ii81xfpvjw6wgdv18ci3iwvsz3v";
+    sha256 ="sha256-aATCeJV0x+XHOQbwulutxivPzGVQ0mJj90vA+6IM124=";
   };
 
   enableParallelBuilding = true;