diff --git a/pkgs/tools/networking/grpc_cli/default.nix b/pkgs/tools/networking/grpc_cli/default.nix
index 76db0f21282a..7083c2895561 100644
--- a/pkgs/tools/networking/grpc_cli/default.nix
+++ b/pkgs/tools/networking/grpc_cli/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   pname = "grpc_cli";
-  version = "1.55.0";
+  version = "1.55.1";
   src = fetchFromGitHub {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
-    hash = "sha256-xEfYNqtMKeJpztUm39PaUrE8OKa8TQhtLBny2/D99VM=";
+    hash = "sha256-3FaNGrvd+EuknOsShLSZKAHmZoa8eLBw+BHbNK59PGU=";
     fetchSubmodules = true;
   };
   nativeBuildInputs = [ automake cmake autoconf ];