diff --git a/pkgs/applications/networking/mpop/default.nix b/pkgs/applications/networking/mpop/default.nix
index 4a54fcf427ef..a48cc47106c5 100644
--- a/pkgs/applications/networking/mpop/default.nix
+++ b/pkgs/applications/networking/mpop/default.nix
@@ -3,12 +3,12 @@
 with stdenv.lib;
 
 stdenv.mkDerivation rec {
-  version = "1.4.2";
+  version = "1.4.3";
   name = "mpop-${version}";
 
   src = fetchurl {
     url = "https://marlam.de/mpop/releases/${name}.tar.xz";
-    sha256 = "1rx5mhgqkm7swbynrhbsz32v85h0rydb4kqfgfs9jrznd9d14m2d";
+    sha256 = "1di86frxv4gj8fasni409m87qmv0j0vmj13lawkz1pwv9hbynhjb";
   };
 
   nativeBuildInputs = [ pkgconfig ];