diff --git a/dev-util/cproto/Manifest b/dev-util/cproto/Manifest
index 04a1511c90ab2..3ba8918f4b976 100644
--- a/dev-util/cproto/Manifest
+++ b/dev-util/cproto/Manifest
@@ -1,2 +1,4 @@
 DIST cproto-4.7t.tgz 181095 BLAKE2B 60e8fc26acab8a7475d08c413b85bfc68b1fec877845f6302f741665eb3f779faf313d5463ec08f6a41a04737a9c280d3f8d5247bed819a21ea30a3c2d11f197 SHA512 ad5abddeec7e92ec85ac5d19f025a1d3362ed0a082e3a00fbc64545e3ef6e34fbd9cfff36be01276836d1d834c481927d12f747b0904dbc644d43f2e879bd82f
 DIST cproto-4.7t.tgz.asc 729 BLAKE2B 9b668a41374d273263d535fb4dba5038a72f3ee3d0f44a2bc5f6fa85a426f1c2209dea4655639b772f6d5d036af1131dec476c1e2e9dbb808a18a734ff538ede SHA512 d3874a04159a092322097c254a2a855db55409eaa7d529eaee973a4763bf71c525f8b40e9d5fbdf5028108713a8e891f45b26e31bd5c879d3d4e5249c8dcae3f
+DIST cproto-4.7u.tgz 183364 BLAKE2B 679cb2c41b396e363ebcf69c61c8b00448ddd27c4d1126b8d3eda1f1b429a7be42359d1b695b94dd1095b707d70a1b425930acc7d2998634159836e4a51ef953 SHA512 6ed7e98319cf2b8d701dcd0ccdbe29537e3b57725da527da1b3889edd696374728ae87cdda34c68314c3e3f80f10e5f99199771200ffb429091c91d378c672e9
+DIST cproto-4.7u.tgz.asc 729 BLAKE2B 4120151f5ffcaf42c1134e8998cd767aab58c4f09bf488186829d96bdc44266273e89b96e1bcad3b84d998ca3d82c4b1bc7d9213f11790853d9fd2f4d0a7c901 SHA512 bdaa60edf0a04e15f2de61398d118efced4c25849d8d2a326e2ad21cd296b73cb6a809933476fcbe7b4471b297368c8090b31e725a9ab3081e334a06c2282753
diff --git a/dev-util/cproto/cproto-4.7u.ebuild b/dev-util/cproto/cproto-4.7u.ebuild
new file mode 100644
index 0000000000000..ef6c3626dba20
--- /dev/null
+++ b/dev-util/cproto/cproto-4.7u.ebuild
@@ -0,0 +1,22 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/thomasdickey.asc
+inherit verify-sig
+
+DESCRIPTION="Generate C function prototypes from C source code"
+HOMEPAGE="https://invisible-island.net/cproto/"
+SRC_URI="https://invisible-island.net/archives/${PN}/${P}.tgz"
+SRC_URI+=" verify-sig? ( https://invisible-island.net/archives/${PN}/${P}.tgz.asc )"
+
+LICENSE="public-domain"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~ppc ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
+
+DEPEND="
+	sys-devel/flex
+	virtual/yacc
+"
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-thomasdickey )"