diff --git a/bucket/grpcurl.json b/bucket/grpcurl.json
index 1a80793a7d..e5fb80224b 100644
--- a/bucket/grpcurl.json
+++ b/bucket/grpcurl.json
@@ -1,16 +1,16 @@
 {
-    "version": "1.8.5",
+    "version": "1.8.6",
     "description": "cURL like utility for gRPC",
     "homepage": "https://github.com/fullstorydev/grpcurl",
     "license": "MIT",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.5/grpcurl_1.8.5_windows_x86_64.zip",
-            "hash": "98b101bc7c83ccc8bb26f20287c2c7fa6f62078a290634bcf089e0cb3e8b83f6"
+            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.6/grpcurl_1.8.6_windows_x86_64.zip",
+            "hash": "53379c2ef781875928e2d74f30fbc5bc334293eb3bf1a2f02b27cfaac7d5d119"
         },
         "32bit": {
-            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.5/grpcurl_1.8.5_windows_x86_32.zip",
-            "hash": "76bab85806828d8d537bff2f25a6bffa9af9191248a27f00dafdbd757c9f9616"
+            "url": "https://github.com/fullstorydev/grpcurl/releases/download/v1.8.6/grpcurl_1.8.6_windows_x86_32.zip",
+            "hash": "23b5376cccabe943e05882390d1fe1088cf88c2db1bfcae0e6ad1a2d51164d6f"
         }
     },
     "bin": "grpcurl.exe",