diff --git a/pkgs/development/libraries/protobuf/3.21.nix b/pkgs/development/libraries/protobuf/3.21.nix
index c23afb9138f..6ba9ca31aba 100644
--- a/pkgs/development/libraries/protobuf/3.21.nix
+++ b/pkgs/development/libraries/protobuf/3.21.nix
@@ -1,6 +1,6 @@
 { callPackage, abseil-cpp, ... }:
 
 callPackage ./generic-v3-cmake.nix {
-  version = "3.21.6";
-  sha256 = "sha256-6Omd2O/eIZIgod3YV+zIIv+GqT+trith6+eepFEJIWM=";
+  version = "3.21.8";
+  sha256 = "sha256-cSNHX18CvMmydpYWqfe6WWk9rGxIlFfY/85rfSyznU4=";
 }