diff --git a/pkgs/development/tools/misc/grpc-client-cli/default.nix b/pkgs/development/tools/misc/grpc-client-cli/default.nix
index 5a337aafb9e9..aac07b56e2d5 100644
--- a/pkgs/development/tools/misc/grpc-client-cli/default.nix
+++ b/pkgs/development/tools/misc/grpc-client-cli/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "grpc-client-cli";
-  version = "1.20.0";
+  version = "1.20.1";
 
   src = fetchFromGitHub {
     owner = "vadimi";
     repo = "grpc-client-cli";
     rev = "v${version}";
-    sha256 = "sha256-MqzuVPY/IuJWfdzHvC/keTe5yi0aMhvq8SoKDlRAI0w=";
+    sha256 = "sha256-r3gbQntlWZ8Y2KiJOVkpzdakKnQUX2NIhk3eAyjnIV4=";
   };
 
-  vendorHash = "sha256-eRT1xMy9lsvF5sUF9jyDUWfNyLThIDTksaXff7xqyic=";
+  vendorHash = "sha256-23DdG/lLwzpgSRk9S6p1aNMh+AFzhO2qX2EE1EUovz8=";
 
   meta = with lib; {
     description = "generic gRPC command line client";