diff --git a/pkgs/applications/networking/mpop/default.nix b/pkgs/applications/networking/mpop/default.nix
index a488817a0cfe66..613226a2dc1855 100644
--- a/pkgs/applications/networking/mpop/default.nix
+++ b/pkgs/applications/networking/mpop/default.nix
@@ -4,11 +4,11 @@ with lib;
 
 stdenv.mkDerivation rec {
   pname = "mpop";
-  version = "1.4.12";
+  version = "1.4.13";
 
   src = fetchurl {
     url = "https://marlam.de/${pname}/releases/${pname}-${version}.tar.xz";
-    sha256 = "sha256-X2NVtS2cNgYZYjpAxmwaVXHjk7Q/5YN1wN41QprDSAo=";
+    sha256 = "sha256-s0mEZsZbZQrdGm55IJsnuoY3VnOkXJalknvtaFoyfcE=";
   };
 
   nativeBuildInputs = [ pkg-config ];