diff --git a/pkgs/development/libraries/protobuf/3.20.nix b/pkgs/development/libraries/protobuf/3.20.nix
index d518e7298e9..818e65639e5 100644
--- a/pkgs/development/libraries/protobuf/3.20.nix
+++ b/pkgs/development/libraries/protobuf/3.20.nix
@@ -1,6 +1,6 @@
 { callPackage, abseil-cpp, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.20.2";
-  sha256 = "sha256-7hLTIujvYIGRqBQgPHrCq0XOh0GJrePBszXJnBFaXVM=";
+  version = "3.20.3";
+  sha256 = "sha256-u/1Yb8+mnDzc3OwirpGESuhjkuKPgqDAvlgo3uuzbbk=";
 }