diff --git a/pkgs/applications/graphics/ImageMagick/default.nix b/pkgs/applications/graphics/ImageMagick/default.nix
index c9e736a9d275..10308630969b 100644
--- a/pkgs/applications/graphics/ImageMagick/default.nix
+++ b/pkgs/applications/graphics/ImageMagick/default.nix
@@ -84,13 +84,13 @@ in
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "imagemagick";
-  version = "7.1.1-45";
+  version = "7.1.1-46";
 
   src = fetchFromGitHub {
     owner = "ImageMagick";
     repo = "ImageMagick";
     tag = finalAttrs.version;
-    hash = "sha256-7oE+fkozhTqTagcwpzttKLZoq4gT1nSib4JssRmz3YI=";
+    hash = "sha256-ogL8KJaEB2Q9XYzhPiX2b6Nr0G7ICLntN3Xn+zoNlG0=";
   };
 
   outputs = [
diff --git a/pkgs/development/python-modules/img2pdf/default.nix b/pkgs/development/python-modules/img2pdf/default.nix
index f2a30d00d3e8..7f56040ea2f5 100644
--- a/pkgs/development/python-modules/img2pdf/default.nix
+++ b/pkgs/development/python-modules/img2pdf/default.nix
@@ -80,6 +80,7 @@ buildPythonPackage rec {
     "test_jpg_cmyk"
     "test_miff_cmyk8"
     "test_tiff_cmyk8"
+    "test_miff_cmyk16"
   ];
 
   pythonImportsCheck = [ "img2pdf" ];