diff --git a/pkgs/development/libraries/protobuf/3.12.nix b/pkgs/development/libraries/protobuf/3.12.nix
index 00d9ec7f96f..6f9add8adc2 100644
--- a/pkgs/development/libraries/protobuf/3.12.nix
+++ b/pkgs/development/libraries/protobuf/3.12.nix
@@ -1,6 +1,6 @@
 { callPackage, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.12.0";
-  sha256 = "0ac0v7mx2sf4hwf61074bgh2m1q0rs88c7gc6v910sd7cw7gql3a";
+  version = "3.12.3";
+  sha256 = "0q4sn9d6x8w0zgzydfx9f7b2zdk0kiplk8h9jxyxhw6m9qn276ax";
 }