diff --git a/pkgs/development/python-modules/plotnine/default.nix b/pkgs/development/python-modules/plotnine/default.nix
index 6f41011e47f6..717f530ef16d 100644
--- a/pkgs/development/python-modules/plotnine/default.nix
+++ b/pkgs/development/python-modules/plotnine/default.nix
@@ -36,7 +36,7 @@ buildPythonPackage rec {
       --replace " --cov=plotnine --cov-report=xml" ""
   '';
 
-  buildInputs = [
+  propagatedBuildInputs = [
     matplotlib
     mizani
     pandas