diff --git a/pkgs/by-name/gr/grpc/package.nix b/pkgs/by-name/gr/grpc/package.nix
index fd682d3b0516..84e80bfc5b7d 100644
--- a/pkgs/by-name/gr/grpc/package.nix
+++ b/pkgs/by-name/gr/grpc/package.nix
@@ -25,7 +25,7 @@
 # nixpkgs-update: no auto update
 stdenv.mkDerivation (finalAttrs: {
   pname = "grpc";
-  version = "1.80.0"; # N.B: if you change this, please update:
+  version = "1.81.0"; # N.B: if you change this, please update:
   # pythonPackages.grpcio
   # pythonPackages.grpcio-channelz
   # pythonPackages.grpcio-health-checking
@@ -38,7 +38,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "grpc";
     repo = "grpc";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-/dpTRG5JcZY2VAsqOYNIpFW7ouSy/eC2STulP7qdSYg=";
+    hash = "sha256-o1wfHrgD2VE6HcPPEWQPQZXrMh+8+GNoUjbCQoRlIWg=";
     fetchSubmodules = true;
   };