diff --git a/pkgs/development/python-modules/kmapper/default.nix b/pkgs/development/python-modules/kmapper/default.nix
index f71c6c60a69f..895e94b1db51 100644
--- a/pkgs/development/python-modules/kmapper/default.nix
+++ b/pkgs/development/python-modules/kmapper/default.nix
@@ -13,6 +13,7 @@
   scipy,
 
   # tests
+  anywidget,
   igraph,
   ipywidgets,
   matplotlib,
@@ -45,6 +46,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "kmapper" ];
 
   nativeCheckInputs = [
+    anywidget
     igraph
     ipywidgets
     matplotlib