diff --git a/pkgs/by-name/ja/jai/package.nix b/pkgs/by-name/ja/jai/package.nix
index ce5dc1e234f9..2849b1e6c65d 100644
--- a/pkgs/by-name/ja/jai/package.nix
+++ b/pkgs/by-name/ja/jai/package.nix
@@ -9,7 +9,7 @@
 let
   pname = "jai";
   minor = "2";
-  patch = "026";
+  patch = "029";
   version = "0.${minor}.${patch}";
   zipName = "jai-beta-${minor}-${patch}.zip";
   jai = stdenv.mkDerivation {
@@ -20,7 +20,7 @@ let
           nix-store --add-fixed sha256 ${zipName}
       '';
       name = zipName;
-      sha256 = "sha256-iWPMVGzcDlR3cP4ruPZJBAAdvFLZeM8+pCxbsSk2ZLw=";
+      sha256 = "sha256-LH49sPgtn4TccDQa1080cnCnH/zlyZa1Jc4Y1DScJOc=";
     };
     nativeBuildInputs = [ unzip ];
     buildCommand = "unzip $src -d $out";