diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 8b84af18729..7965e200130 100644
--- a/pkgs/development/python-modules/grpcio-tools/default.nix
+++ b/pkgs/development/python-modules/grpcio-tools/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "grpcio-tools";
-  version = "1.26.0";
+  version = "1.27.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5580b86cf49936c9c74f0def44d3582a7a1bb720eba8a14805c3a61efa790c70";
+    sha256 = "e29aa3f7a47d37f8a15605e97bec580baa6bb7ead7114b8d2f20d7b28da30c5c";
   };
 
   enableParallelBuilding = true;