diff --git a/dev-python/ujson/Manifest b/dev-python/ujson/Manifest
index 6427eadc2de9..8f3c63ce727b 100644
--- a/dev-python/ujson/Manifest
+++ b/dev-python/ujson/Manifest
@@ -1 +1,2 @@
 DIST ujson-5.10.0.tar.gz 7154885 BLAKE2B 5cb09e7b8576b837f19e604eda2f498d5cf479c9b0018d948e011a53c5b91fcaf869d8b8f0babf6c1d725e1ba000f107f767a7c2f74c52121bce95a2082938a7 SHA512 29aeb2f57c607c382deb2825f6262b73d11f1edff0545338819d081f223dabb66b2967744cc11b9f4c0b7f042d51688f04bf07fb9b2cdb6adfec439a3d8aea32
+DIST ujson-5.11.0.tar.gz 7156583 BLAKE2B fbf684496018984070141fb3f4dbad64cd4ce69cd6d48c4459a2f595507fccfec12d18e9a0e5e9f7b915bba05877c681e377458ee8c02d77f2abd081fef631d0 SHA512 93f94534201dc8227f11eb6852fa15e432d1506fea3a21ec2f16468a78307a9f23f938e55ec6bf7e5707859cd3a5a84e2d15493224675cda2fc70c72967c042e
diff --git a/dev-python/ujson/ujson-5.11.0.ebuild b/dev-python/ujson/ujson-5.11.0.ebuild
new file mode 100644
index 000000000000..a381f58cff3b
--- /dev/null
+++ b/dev-python/ujson/ujson-5.11.0.ebuild
@@ -0,0 +1,39 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{11..14} pypy3_11 )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Ultra fast JSON encoder and decoder for Python"
+HOMEPAGE="
+	https://github.com/ultrajson/ultrajson/
+	https://pypi.org/project/ujson/
+"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
+
+DEPEND="
+	dev-libs/double-conversion:=
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	dev-python/setuptools-scm[${PYTHON_USEDEP}]
+"
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest
+
+src_configure() {
+	export UJSON_BUILD_DC_INCLUDES="${EPREFIX}/usr/include/double-conversion"
+	export UJSON_BUILD_DC_LIBS="-ldouble-conversion"
+	export UJSON_BUILD_NO_STRIP=1
+}