diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index 55f1fb2790e6..4cba9c1b511b 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -21,7 +21,7 @@
 
 stdenv.mkDerivation rec {
   pname = "grpc";
-  version = "1.48.0"; # N.B: if you change this, please update:
+  version = "1.48.1"; # N.B: if you change this, please update:
     # pythonPackages.grpcio-tools
     # pythonPackages.grpcio-status
 
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
-    hash = "sha256-cR+K3po/9XpYWe+sRXGwzvNAPChrWzYu5D4ygBTKKIQ=";
+    hash = "sha256-It9oFenKoPDCOVxiKCGJc8i18zdDZCceR22HR5Tu1sw=";
     fetchSubmodules = true;
   };