diff --git a/package.json b/package.json
index 898ab72..222b487 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     },
     "dependencies": {
         "@microsoft/api-extractor": "^7.52.8",
-        "@rushstack/heft": "^0.74.0",
+        "@rushstack/heft": "^1.2.9",
         "@vscode/vsce": "^3.4.1",
         "prettier": "^3.5.3",
         "prettier-plugin-pkg": "^0.22.0",