diff --git a/pkgs/development/python-modules/withings-sync/default.nix b/pkgs/development/python-modules/withings-sync/default.nix
index 928403789a33..66278db6c2e4 100644
--- a/pkgs/development/python-modules/withings-sync/default.nix
+++ b/pkgs/development/python-modules/withings-sync/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "withings-sync";
-  version = "4.2.6";
+  version = "4.2.7";
   pyproject = true;
 
   disabled = pythonOlder "3.10";
@@ -21,14 +21,16 @@ buildPythonPackage rec {
     owner = "jaroslawhartman";
     repo = "withings-sync";
     rev = "refs/tags/v${version}";
-    hash = "sha256-rljzE/sEVBqG2vWcKmoC2fm9I06onMmDkf60rkq9k3g=";
+    hash = "sha256-ySl2nRR8t7c3NhjgjSzLQ+hcJuh+kx5aoaVPJF56HR0=";
   };
 
   postPatch = ''
     substituteInPlace setup.py \
-      --replace-fail 'read(".VERSION")' '"${version}"'
+      --replace-fail "1.0.0.dev1" "${version}"
   '';
 
+  pythonRelaxDeps = true;
+
   build-system = [ setuptools ];
 
   dependencies = [