diff --git a/pkgs/tools/networking/getmail6/default.nix b/pkgs/tools/networking/getmail6/default.nix
index 910758fcf207..dc36a7d124a4 100644
--- a/pkgs/tools/networking/getmail6/default.nix
+++ b/pkgs/tools/networking/getmail6/default.nix
@@ -5,13 +5,13 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "getmail6";
-  version = "6.18";
+  version = "6.18.3";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-n2ADzxkd7bO6cO8UioCdRdCqUu03G9jxs9biEZACSus=";
+    sha256 = "sha256-8tBSi9QzWcVL09j6aa2yWFhLlqaI6DREX2PpKvHC3qU=";
   };
 
   # needs a Docker setup