diff --git a/pkgs/development/libraries/protobuf/3.19.nix b/pkgs/development/libraries/protobuf/3.19.nix
index 727bf511d58..7e2be4bec04 100644
--- a/pkgs/development/libraries/protobuf/3.19.nix
+++ b/pkgs/development/libraries/protobuf/3.19.nix
@@ -1,6 +1,6 @@
 { callPackage, ... }:
 
 callPackage ./generic-v3.nix {
-  version = "3.19.0";
-  sha256 = "0rx4r4d7hqr0gi3v90jbkm2lnkj9p37dhgwx9d0w7kgh3rvr4i7g";
+  version = "3.19.3";
+  sha256 = "sha256-nA6L064MuyP5Si4MCLk2yg8PDM7RWggFEGQyibputYQ=";
 }