diff --git a/pkgs/development/libraries/protobuf/34.nix b/pkgs/development/libraries/protobuf/34.nix
index ec10fc8824d8..9962256b0d83 100644
--- a/pkgs/development/libraries/protobuf/34.nix
+++ b/pkgs/development/libraries/protobuf/34.nix
@@ -2,8 +2,8 @@
 
 callPackage ./generic.nix (
   {
-    version = "34.1";
-    hash = "sha256-PaIVJ8NtgnrqowbKLkX+uprsQjuxDch9AUxX4YBBNh4=";
+    version = "34.2";
+    hash = "sha256-5YZ8Q9uy7MDnLRmLkkEuqp0k6eJRvs/nPfyo33cJLgs=";
   }
   // args
 )