diff --git a/profiles/default/package.use/required-by b/profiles/default/package.use/required-by
index 2e8a82329..422adda65 100644
--- a/profiles/default/package.use/required-by
+++ b/profiles/default/package.use/required-by
@@ -670,3 +670,6 @@ dev-python/python-lsp-server all-plugins
 # required by dev-util/dput-ng-1.32
 dev-util/distro-info python
 
+# required by kde-apps/okular-21.04.3-r2[pdf]
+app-text/poppler nss
+