diff --git a/pkgs/tools/package-management/apt-dater/default.nix b/pkgs/tools/package-management/apt-dater/default.nix
index 988147d7ab00..2912999fafa9 100644
--- a/pkgs/tools/package-management/apt-dater/default.nix
+++ b/pkgs/tools/package-management/apt-dater/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   name = "apt-dater-${version}";
-  version = "1.0.3";
+  version = "1.0.4";
 
   src = fetchFromGitHub {
     owner = "DE-IBH";
     repo = "apt-dater";
     rev = "v${version}";
-    sha256 = "1flr6cm72cywmwp5h7pbmmpq057xsi9shkczyplxqaqrb2gns5fl";
+    sha256 = "1r6gz9jkh1wxi11mcq5p9mqg0szclsaq8ic79vnfnbjdrmmdfi4y";
   };
 
   nativeBuildInputs = [