diff --git a/pkgs/by-name/ub/ubports-click/package.nix b/pkgs/by-name/ub/ubports-click/package.nix
index c6597596e206..344d1678942c 100644
--- a/pkgs/by-name/ub/ubports-click/package.nix
+++ b/pkgs/by-name/ub/ubports-click/package.nix
@@ -89,6 +89,7 @@ let
 
     propagatedBuildInputs = with python3Packages; [
       python-debian
+      chardet
       pygobject3
       setuptools
     ];