diff --git a/pkgs/development/libraries/protobuf/3.19.nix b/pkgs/development/libraries/protobuf/3.19.nix
index 8e8674f15041..c62e4d46ce8b 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 = "3.19.5";
-  sha256 = "sha256-C5ZfPXHtUtNjPGS4tbswCwVH1gjd6A64KtIR16DgHzQ=";
+  version = "3.19.6";
+  sha256 = "sha256-+ul9F8tyrwk2p25Dd9ragqwpYzdxdeGjpXhLAwKYWfM=";
 }