diff --git a/pkgs/applications/networking/mpop/default.nix b/pkgs/applications/networking/mpop/default.nix
index 7d311d4bc707..2cdfd19067f2 100644
--- a/pkgs/applications/networking/mpop/default.nix
+++ b/pkgs/applications/networking/mpop/default.nix
@@ -4,11 +4,11 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   pname = "mpop";
-  version = "1.4.5";
+  version = "1.4.6";
 
   src = fetchurl {
     url = "https://marlam.de/${pname}/releases/${pname}-${version}.tar.xz";
-    sha256 = "1m6743j8g777lijvxqw2wz6pv2g5a9wlh6zq7awk0hvd44xp4sav";
+    sha256 = "0q4ifzvl1gcndvqqqk7n9mc599r4s2knxjc7alflwb366fql58gv";
   };
 
   nativeBuildInputs = [ pkgconfig ];