diff --git a/pkgs/by-name/an/antigravity/information.json b/pkgs/by-name/an/antigravity/information.json
new file mode 100644
index 000000000000..aa61d972b31b
--- /dev/null
+++ b/pkgs/by-name/an/antigravity/information.json
@@ -0,0 +1,22 @@
+{
+  "version": "1.11.5",
+  "vscodeVersion": "1.104.0",
+  "sources": {
+    "x86_64-linux": {
+      "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.5-5234145629700096/linux-x64/Antigravity.tar.gz",
+      "sha256": "4e03151a55743cf30fac595abb343c9eb5a3b6a80d2540136d75b4ead8072112"
+    },
+    "aarch64-linux": {
+      "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.5-5234145629700096/linux-arm/Antigravity.tar.gz",
+      "sha256": "e154dc745c51c7aadc33becee985188c92246a36a16ee0ba545c422172f8d0c2"
+    },
+    "x86_64-darwin": {
+      "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.5-5234145629700096/darwin-x64/Antigravity.zip",
+      "sha256": "393336a2177fc3795adb9450f311ce5d453b5df0e0cfa23e35e419f46e3ebc2c"
+    },
+    "aarch64-darwin": {
+      "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.5-5234145629700096/darwin-arm/Antigravity.zip",
+      "sha256": "800890265dca8b74d7d28af99fae7fc5762f4d529e8eeb451a76c25e09dff488"
+    }
+  }
+}
diff --git a/pkgs/by-name/an/antigravity/package.nix b/pkgs/by-name/an/antigravity/package.nix
index b6600938b254..2361e94577db 100644
--- a/pkgs/by-name/an/antigravity/package.nix
+++ b/pkgs/by-name/an/antigravity/package.nix
@@ -14,22 +14,14 @@
 
 let
   inherit (stdenv) hostPlatform;
-
-  sources =
-    (lib.importJSON ./sources.json)."${hostPlatform.system}"
+  information = (lib.importJSON ./information.json);
+  source =
+    information.sources."${hostPlatform.system}"
       or (throw "antigravity: unsupported system ${hostPlatform.system}");
-
-  version = "1.11.3";
-  vscodeVersion = "1.104.0";
 in
 (callPackage vscode-generic {
-  inherit
-    commandLineArgs
-    useVSCodeRipgrep
-    version
-    vscodeVersion
-    ;
-
+  inherit commandLineArgs useVSCodeRipgrep;
+  inherit (information) version vscodeVersion;
   pname = "antigravity";
 
   executableName = "antigravity";
@@ -38,9 +30,7 @@ in
   libraryName = "antigravity";
   iconName = "antigravity";
 
-  src = fetchurl {
-    inherit (sources) url hash;
-  };
+  src = fetchurl { inherit (source) url sha256; };
 
   sourceRoot = if hostPlatform.isDarwin then "Antigravity.app" else "Antigravity";
 
@@ -68,7 +58,7 @@ in
     );
 
   tests = { };
-  updateScript = ./update.sh;
+  updateScript = ./update.js;
 
   dontFixup = hostPlatform.isDarwin;
 
diff --git a/pkgs/by-name/an/antigravity/sources.json b/pkgs/by-name/an/antigravity/sources.json
deleted file mode 100644
index 67d59f60d2d7..000000000000
--- a/pkgs/by-name/an/antigravity/sources.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "x86_64-linux": {
-    "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.3-6583016683339776/linux-x64/Antigravity.tar.gz",
-    "hash": "sha256-Al2lEvl5mnFU4sx1vAkIIBOCwazy6DePnaI1y4SlYVs="
-  },
-  "aarch64-linux": {
-    "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.3-6583016683339776/linux-arm/Antigravity.tar.gz",
-    "hash": "sha256-Mn9Zq2Fo3cLsJ/Ckx7IDOvSkThKREf5XLz3vSOu61TM="
-  },
-  "x86_64-darwin": {
-    "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.3-6583016683339776/darwin-x64/Antigravity.zip",
-    "hash": "sha256-eNl0Z/+6G6B8vsx25KlaIpGIPkaOOisTH+k2viDKoqk="
-  },
-  "aarch64-darwin": {
-    "url": "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.3-6583016683339776/darwin-arm/Antigravity.zip",
-    "hash": "sha256-cjFFkvpz/YBY2c78RN0kYbhOAM1roPjujJ7e511kEng="
-  }
-}
diff --git a/pkgs/by-name/an/antigravity/update.js b/pkgs/by-name/an/antigravity/update.js
new file mode 100755
index 000000000000..45bf250a2fd5
--- /dev/null
+++ b/pkgs/by-name/an/antigravity/update.js
@@ -0,0 +1,44 @@
+#!/usr/bin/env nix
+/*
+#!nix shell --ignore-environment .#cacert .#nodejs --command node
+*/
+// @ts-check
+import assert from "node:assert/strict";
+import * as fs from "node:fs";
+import * as path from "node:path";
+/**
+ * @typedef {object} UpdateInfo
+ * @property {number} timestamp Unix timestamp in seconds, example: 1763468493
+ * @property {string} productVersion VSCode OSS version, example: "1.104.0"
+ * @property {string} sha256hash SHA256 hash of the download file, example: "8eb01462dc4f26aba45be4992bda0b145d1ec210c63a6272578af27e59f23bef"
+ * @property {string} url Download URL, example: "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.2-6251250307170304/linux-arm/Antigravity.tar.gz", "https://edgedl.me.gvt1.com/edgedl/release2/j0qc3/antigravity/stable/1.11.2-6251250307170304/darwin-x64/Antigravity.zip"
+ */
+/** @typedef {"x86_64-linux" | "aarch64-linux" | "x86_64-darwin" | "aarch64-darwin"} Platform */
+/** @typedef {{ version: string; vscodeVersion: string; sources: Record<Platform, { url: string; sha256: string; }> }} Information */
+
+let version = "";
+let vscodeVersion = "";
+async function getLatestInformation(/** @type {"linux-x64" | "linux-arm64" | "darwin-arm64" | "darwin"} */ targetSystem) {
+  /** @type {UpdateInfo} */
+  const latestInfo = await (await fetch(`https://antigravity-auto-updater-974169037036.us-central1.run.app/api/update/${targetSystem}/stable/latest`)).json();
+  const newVersion = /\/antigravity\/stable\/([\d.]+)-[\d]+/.exec(latestInfo.url)?.[1] ?? ""; // Current API lack version field now, we need to parse it from the URL temporarily.
+  assert(version === '' || version === newVersion, `Version mismatch: ${version}(linux-x64) != ${newVersion}(${targetSystem})`);
+  version = newVersion;
+  assert(vscodeVersion === '' || vscodeVersion === latestInfo.productVersion, `VSCode version mismatch: ${vscodeVersion}(linux-x64) != ${latestInfo.productVersion}(${targetSystem})`);
+  vscodeVersion = latestInfo.productVersion;
+  return {
+    url: latestInfo.url,
+    sha256: latestInfo.sha256hash,
+  };
+}
+/** @type {Information['sources']} */
+const sources = {
+  "x86_64-linux": await getLatestInformation("linux-x64"),
+  "aarch64-linux": await getLatestInformation("linux-arm64"),
+  "x86_64-darwin": await getLatestInformation("darwin"),
+  "aarch64-darwin": await getLatestInformation("darwin-arm64"),
+};
+/** @type {Information} */
+const information = { version, vscodeVersion, sources };
+fs.writeFileSync(path.join(import.meta.dirname, "./information.json"), JSON.stringify(information, null, 2) + "\n", "utf-8");
+console.log(`[update] Updating Antigravity complete, version: ${version}, vscodeVersion: ${vscodeVersion}`);
diff --git a/pkgs/by-name/an/antigravity/update.sh b/pkgs/by-name/an/antigravity/update.sh
deleted file mode 100755
index 6dd76d334a1a..000000000000
--- a/pkgs/by-name/an/antigravity/update.sh
+++ /dev/null
@@ -1,88 +0,0 @@
-#!/usr/bin/env nix-shell
-#!nix-shell -i bash -p curl gnugrep gnused gnutar jq
-# shellcheck shell=bash
-
-set -euo pipefail
-
-SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
-PACKAGE_NIX="${SCRIPT_DIR}/package.nix"
-SOURCES_JSON="${SCRIPT_DIR}/sources.json"
-
-echo "Fetching latest release information..."
-page=$(curl -fsSL --compressed "https://antigravity.google/download/linux")
-script_name=$(printf '%s\n' "$page" | grep -o 'main-[a-zA-Z0-9]*\.js' | head -n1)
-js_content=$(curl -fsSL --compressed "https://antigravity.google/$script_name")
-
-# Extract Linux x86_64 URL
-linux_x86_64_url=$(
-  printf '%s\n' "$js_content" \
-    | grep -o 'https://[^"]*/linux-x64/Antigravity.tar.gz' \
-    | head -n1
-)
-
-# Extract version and check for update
-version=$(
-  printf '%s\n' "$linux_x86_64_url" \
-    | sed -n 's#.*/stable/\([^-]*\)-[0-9]*/linux-x64/Antigravity.tar.gz#\1#p'
-)
-echo "Version: $version"
-
-current_version=$(grep -oP '^\s*version = "\K[^"]+' "$PACKAGE_NIX" | head -n1)
-if [[ "$version" == "$current_version" ]]; then
-  echo "Antigravity is already up-to-date"
-  exit 0
-fi
-
-# Derive URLs
-linux_aarch64_url="${linux_x86_64_url/linux-x64\/Antigravity.tar.gz/linux-arm\/Antigravity.tar.gz}"
-darwin_x86_64_url="${linux_x86_64_url/linux-x64\/Antigravity.tar.gz/darwin-x64\/Antigravity.zip}"
-darwin_aarch64_url="${linux_x86_64_url/linux-x64\/Antigravity.tar.gz/darwin-arm\/Antigravity.zip}"
-
-echo "Prefetching x86_64-linux from $linux_x86_64_url..."
-prefetch_output=$(nix-prefetch-url --print-path "$linux_x86_64_url")
-linux_x86_64_hash_base32=$(echo "$prefetch_output" | head -n1)
-archive_path=$(echo "$prefetch_output" | tail -n1)
-echo "path is '$archive_path'" >&2
-linux_x86_64_hash=$(nix-hash --type sha256 --to-sri "$linux_x86_64_hash_base32")
-
-echo "Prefetching aarch64-linux from $linux_aarch64_url..."
-linux_aarch64_hash_base32=$(nix-prefetch-url "$linux_aarch64_url")
-linux_aarch64_hash=$(nix-hash --type sha256 --to-sri "$linux_aarch64_hash_base32")
-
-echo "Prefetching x86_64-darwin from $darwin_x86_64_url..."
-darwin_x86_64_hash_base32=$(nix-prefetch-url "$darwin_x86_64_url")
-darwin_x86_64_hash=$(nix-hash --type sha256 --to-sri "$darwin_x86_64_hash_base32")
-
-echo "Prefetching aarch64-darwin from $darwin_aarch64_url..."
-darwin_aarch64_hash_base32=$(nix-prefetch-url "$darwin_aarch64_url")
-darwin_aarch64_hash=$(nix-hash --type sha256 --to-sri "$darwin_aarch64_hash_base32")
-
-# Extract VS Code version from metadata
-vscodeVersion=$(
-  tar -Oxzf "$archive_path" "Antigravity/resources/app/product.json" \
-    | jq -r '.version'
-)
-echo "VS Code version: $vscodeVersion"
-
-echo "Updating package.nix"
-sed -i "s/version = \".*\"/version = \"$version\"/" "$PACKAGE_NIX"
-sed -i "s/vscodeVersion = \".*\"/vscodeVersion = \"$vscodeVersion\"/" "$PACKAGE_NIX"
-
-echo "Updating sources.json"
-jq -n \
-  --arg linux_x86_64_url "$linux_x86_64_url" \
-  --arg linux_x86_64_hash "$linux_x86_64_hash" \
-  --arg linux_aarch64_url "$linux_aarch64_url" \
-  --arg linux_aarch64_hash "$linux_aarch64_hash" \
-  --arg darwin_x86_64_url "$darwin_x86_64_url" \
-  --arg darwin_x86_64_hash "$darwin_x86_64_hash" \
-  --arg darwin_aarch64_url "$darwin_aarch64_url" \
-  --arg darwin_aarch64_hash "$darwin_aarch64_hash" \
-  '{
-    "x86_64-linux": { url: $linux_x86_64_url, hash: $linux_x86_64_hash },
-    "aarch64-linux": { url: $linux_aarch64_url, hash: $linux_aarch64_hash },
-    "x86_64-darwin": { url: $darwin_x86_64_url, hash: $darwin_x86_64_hash },
-    "aarch64-darwin": { url: $darwin_aarch64_url, hash: $darwin_aarch64_hash }
-  }' > "$SOURCES_JSON"
-
-echo "Update complete"