diff --git a/accelar_oracle/src/send_http_get_rust_frontend/package.json b/accelar_oracle/src/send_http_get_rust_frontend/package.json
index 374f850..1f047ff 100644
--- a/accelar_oracle/src/send_http_get_rust_frontend/package.json
+++ b/accelar_oracle/src/send_http_get_rust_frontend/package.json
@@ -15,7 +15,7 @@
     "react-dom": "^18.2.0",
     "@dfinity/agent": "^0.15.7",
     "@dfinity/candid": "^0.15.7",
-    "@dfinity/principal": "^0.15.7"
+    "@dfinity/principal": "^0.21.4"
   },
   "devDependencies": {
     "@types/react": "^18.2.14",