diff --git a/pkgs/development/python-modules/epaper-dithering/default.nix b/pkgs/development/python-modules/epaper-dithering/default.nix
index 7738fce8cfef..efb948c823a1 100644
--- a/pkgs/development/python-modules/epaper-dithering/default.nix
+++ b/pkgs/development/python-modules/epaper-dithering/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "epaper-dithering";
-  version = "5.0.6";
+  version = "5.0.7";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "OpenDisplay";
     repo = "epaper-dithering";
     tag = "epaper-dithering-v${finalAttrs.version}";
-    hash = "sha256-8xkgKOHS68aQWrJLNwUusZzXK7oAyjDvxd9c5aUDA84=";
+    hash = "sha256-cAMmjIBqUIhwS4Ak5fXG927pqt5xnBaOEUthv9LQjG8=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/packages/python";
diff --git a/pkgs/development/python-modules/py-opendisplay/default.nix b/pkgs/development/python-modules/py-opendisplay/default.nix
index ae19b5d4cf9e..3aa00a1a279d 100644
--- a/pkgs/development/python-modules/py-opendisplay/default.nix
+++ b/pkgs/development/python-modules/py-opendisplay/default.nix
@@ -36,6 +36,8 @@ buildPythonPackage (finalAttrs: {
     pillow
   ];
 
+  pythonRelaxDeps = [ "epaper-dithering" ];
+
   nativeCheckInputs = [
     pytestCheckHook
     pytest-asyncio