diff --git a/default.nix b/default.nix
index 6a1c75b..529d63a 100644
--- a/default.nix
+++ b/default.nix
@@ -5,7 +5,7 @@
 
 pkgs.python3Packages.buildPythonPackage rec {
   pname = "smtprd-ng";
-  version = "0.3.0";
+  version = "0.3.1";
   pyproject = true;
 
   src = lib.cleanSource ./.;
diff --git a/pyproject.toml b/pyproject.toml
index 81bc86a..a83a3dd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "smtprd-ng"
-version = "0.3.0"
+version = "0.3.1"
 description = "SMTP forwarding relay daemon with signing and encryption"
 authors = [{ name = "Florian Brandes", email = "dev@mail.flo-the.dev" }]
 classifiers = [