diff --git a/bucket/grpcurl.json b/bucket/grpcurl.json
index 1303bd7f4a..5ba8056e2b 100644
--- a/bucket/grpcurl.json
+++ b/bucket/grpcurl.json
@@ -1,16 +1,16 @@
 {
-    "version": "1.8.9",
+    "version": "1.9.1",
     "description": "cURL like utility for gRPC",
     "homepage": "https://github.com/fullstorydev/grpcurl",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.9/grpcurl_1.8.9_windows_x86_64.zip",
-            "hash": "9e4a2f123edbe7c4a556596ba0496ebf50fc91f21a7043069a19a348040cc9ff"
+            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.9.1/grpcurl_1.9.1_windows_x86_64.zip",
+            "hash": "898bcded6677e296d057207b9246a29f92f5dcb0f46f10711771a5b27e0cf8c1"
         },
         "32bit": {
-            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.9/grpcurl_1.8.9_windows_x86_32.zip",
-            "hash": "a66c0c49c37e43a9f46c488882d64a31f74650a206c4553d52cdb9751eab39db"
+            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.9.1/grpcurl_1.9.1_windows_x86_32.zip",
+            "hash": "46a83bcae3e2769ada1d06829c0c65623b072b993afd04e557fe73317734791a"
         }
     },
     "bin": "grpcurl.exe",