diff --git a/pkgs/by-name/ba/ballerina/package.nix b/pkgs/by-name/ba/ballerina/package.nix
index 0e22e4e91589..f4f9bd8cdc79 100644
--- a/pkgs/by-name/ba/ballerina/package.nix
+++ b/pkgs/by-name/ba/ballerina/package.nix
@@ -2,16 +2,17 @@
   ballerina,
   lib,
   writeText,
+  writeScript,
   runCommand,
   makeWrapper,
   fetchzip,
   stdenv,
-  openjdk17_headless,
+  openjdk21_headless,
 }:
 let
-  version = "2201.10.3";
+  version = "2201.13.4";
   codeName = "swan-lake";
-  openjdk = openjdk17_headless;
+  openjdk = openjdk21_headless;
 in
 stdenv.mkDerivation {
   pname = "ballerina";
@@ -19,7 +20,7 @@ stdenv.mkDerivation {
 
   src = fetchzip {
     url = "https://dist.ballerina.io/downloads/${version}/ballerina-${version}-${codeName}.zip";
-    hash = "sha256-JVwxWRiOQaUZBkvxoLhKvktyQYnBtbCBZXZa6g6hoRQ=";
+    hash = "sha256-te7ZW9CISAg0ahkFBBWW2Q6pkB9jXGNBDHw6slX2V/E=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -48,12 +49,23 @@ stdenv.mkDerivation {
       [[ $result = "Hello, World!" ]]
     '';
 
+  passthru.updateScript = writeScript "update-ballerina" ''
+    #!/usr/bin/env nix-shell
+    #!nix-shell -i bash -p common-updater-scripts curl pcre2
+    set -euo pipefail
+
+    version="$(curl -s https://ballerina.io/downloads/ |
+      pcre2grep -o '(?<=swan-lake-)\d+(?:\.\d+)+(?=)')"
+
+    update-source-version "$UPDATE_NIX_ATTR_PATH" "$version"
+  '';
+
   meta = {
     description = "Open-source programming language for the cloud";
     mainProgram = "bal";
     license = lib.licenses.asl20;
     platforms = openjdk.meta.platforms;
-    maintainers = [ ];
+    maintainers = with lib.maintainers; [ cbrxyz ];
     sourceProvenance = with lib.sourceTypes; [ binaryBytecode ];
   };
 }