diff --git a/pkgs/tools/networking/grpcurl/default.nix b/pkgs/tools/networking/grpcurl/default.nix
index 252a148f6fc7..3aadefc1d871 100644
--- a/pkgs/tools/networking/grpcurl/default.nix
+++ b/pkgs/tools/networking/grpcurl/default.nix
@@ -2,18 +2,18 @@
 
 buildGoModule rec {
   pname = "grpcurl";
-  version = "1.8.9";
+  version = "1.9.1";
 
   src = fetchFromGitHub {
     owner = "fullstorydev";
     repo = "grpcurl";
     rev = "v${version}";
-    sha256 = "sha256-zN/vleCph919HXZZ9wsXoJBXRT6y7gjyuQxnjRMzq00=";
+    sha256 = "sha256-OVlFOZD4+ZXRKl0Q0Dh5Etij/zeB1jTGoY8n13AyLa4=";
   };
 
   subPackages = [ "cmd/grpcurl" ];
 
-  vendorHash = "sha256-g5G966CuaVILGAgWunHAPrrkLjSv8pBj9R4bcLzyI+A=";
+  vendorHash = "sha256-KsPrJC4hGrGEny8wVWE1EG00qn+b1Rrvh4qK27VzgLU=";
 
   ldflags = [ "-s" "-w" "-X main.version=${version}" ];