diff --git a/dist/providers/google-gemini-cli.js b/dist/providers/google-gemini-cli.js
index 3741764906f41e87eda9259f567b1d5332551a63..41fc6a92fc4c1f6f503b92320248391013badfb0 100644
--- a/dist/providers/google-gemini-cli.js
+++ b/dist/providers/google-gemini-cli.js
@@ -22,7 +22,7 @@ const GEMINI_CLI_HEADERS = {
 };
 // Headers for Antigravity (sandbox endpoint) - requires specific User-Agent
 const ANTIGRAVITY_HEADERS = {
-    "User-Agent": "antigravity/1.11.5 darwin/arm64",
+    "User-Agent": "antigravity/1.15.8 darwin/arm64",
     "X-Goog-Api-Client": "google-cloud-sdk vscode_cloudshelleditor/0.1",
     "Client-Metadata": JSON.stringify({
         ideType: "IDE_UNSPECIFIED",