diff --git a/pkgs/applications/office/morgen/default.nix b/pkgs/applications/office/morgen/default.nix
index d06d4d776a11..a6bb64bbdf7c 100644
--- a/pkgs/applications/office/morgen/default.nix
+++ b/pkgs/applications/office/morgen/default.nix
@@ -3,11 +3,11 @@
 
 stdenv.mkDerivation rec {
   pname = "morgen";
-  version = "2.6.4";
+  version = "2.6.6";
 
   src = fetchurl {
     url = "https://download.todesktop.com/210203cqcj00tw1/morgen-${version}.deb";
-    sha256 = "sha256-2Cze8R22Wrvp+FJq/7Kp36i7Areo5e9fdBo3DQ+rvZY=";
+    sha256 = "sha256-hmZeXQneKh3Kca/Goct3KP5q+Ce6lpYWDqFfqbcT644=";
   };
 
   nativeBuildInputs = [