diff --git a/pkgs/development/python-modules/explorerscript/default.nix b/pkgs/development/python-modules/explorerscript/default.nix
index 6f1b346274a2..0eae37829d88 100644
--- a/pkgs/development/python-modules/explorerscript/default.nix
+++ b/pkgs/development/python-modules/explorerscript/default.nix
@@ -49,6 +49,10 @@ buildPythonPackage rec {
 
   dontUseCmakeConfigure = true;
 
+  pythonRelaxDeps = [
+    "igraph"
+  ];
+
   propagatedBuildInputs = [
     igraph
     pybind11