diff --git a/pkgs/development/libraries/protobuf/33.nix b/pkgs/development/libraries/protobuf/33.nix
index 24ace1256005..6365e5fac5a5 100644
--- a/pkgs/development/libraries/protobuf/33.nix
+++ b/pkgs/development/libraries/protobuf/33.nix
@@ -2,8 +2,8 @@
 
 callPackage ./generic.nix (
   {
-    version = "33.0";
-    hash = "sha256-VoMMMyPGAyjhXrYw7muHFBRjYshfqgLZZPPOXCfmmPs=";
+    version = "33.1";
+    hash = "sha256-IW6wLkr/NwIZy5N8s+7Fe9CSexXgliW8QSlvmUD+g5Q=";
   }
   // args
 )
diff --git a/pkgs/development/python-modules/protobuf/6.nix b/pkgs/development/python-modules/protobuf/6.nix
index f5ce6a82e716..bba5b5da6dac 100644
--- a/pkgs/development/python-modules/protobuf/6.nix
+++ b/pkgs/development/python-modules/protobuf/6.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "protobuf";
-  version = "6.33.0";
+  version = "6.33.1";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-FAMD1cjSA3cwxUj4x7k7ILsdwwG+KAw3i4K4iUWJyVQ=";
+    hash = "sha256-l/ZXV+jQmHDeb9lzrt25L4VDVgcjXSCy3+2TQF0AyFs=";
   };
 
   build-system = [ setuptools ];