diff --git a/dev-python/widgetsnbextension/Manifest b/dev-python/widgetsnbextension/Manifest
index ed5944898e413..5a959037305db 100644
--- a/dev-python/widgetsnbextension/Manifest
+++ b/dev-python/widgetsnbextension/Manifest
@@ -1 +1,2 @@
 DIST widgetsnbextension-4.0.15.tar.gz 1097402 BLAKE2B d8ad784030c312ab14bbcd1d24337b2f4476ddcd61e711a60f2fca595c2c8240e51755f33ce2ff58206145fb1eab3525371e91ff3dcc59a944530485a828978f SHA512 f7a9091a6c6462e22be4068749f410f08efb6920e356ffde272d684638bfb2bf075f188bdd634dfcc04038f4ed740062a7caf35714a50c25e89b843f59bc6fe4
+DIST widgetsnbextension-4.0.16.tar.gz 1111094 BLAKE2B 73fb9cab04c789b82a79072c40b9c45ed19843c9e07b3a8d940ccd7926b7bedb7af2aa85867e34b809c18aa878159e2c6d58d44f1b93dbe334eeeaf79964636d SHA512 2685899243368ed999df4772522829017e42300afc3da8ff618bd915170975212d562d076718b03f5e1bff09bfe03a1543e4e18e5ab689f68872049d46969fb5
diff --git a/dev-python/widgetsnbextension/widgetsnbextension-4.0.16.ebuild b/dev-python/widgetsnbextension/widgetsnbextension-4.0.16.ebuild
new file mode 100644
index 0000000000000..8f09ea471bfe4
--- /dev/null
+++ b/dev-python/widgetsnbextension/widgetsnbextension-4.0.16.ebuild
@@ -0,0 +1,32 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{12..15} )
+PYTHON_REQ_USE="threads(+)"
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="IPython HTML widgets for Jupyter"
+HOMEPAGE="
+	https://ipython.org/
+	https://pypi.org/project/widgetsnbextension/
+"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86"
+
+BDEPEND="
+	dev-python/jupyter-packaging[${PYTHON_USEDEP}]
+"
+
+distutils_enable_tests import-check
+
+src_install() {
+	distutils-r1_src_install
+
+	mv "${ED}/usr/etc" "${ED}/etc" || die
+}