diff --git a/dev-R/cachem/Manifest b/dev-R/cachem/Manifest
new file mode 100644
index 0000000000..0d5eda3d25
--- /dev/null
+++ b/dev-R/cachem/Manifest
@@ -0,0 +1 @@
+DIST cachem_1.0.6.tar.gz 25413 BLAKE2B f904bc756f1228d8abffa013d79d03376be8aa9fa6a3981141a80a2bee68069f91f6e4f3d6dcda50b3a4e82eeee4b730b6407714bfde850be5d625122bb1d63e SHA512 79736de4d40119c13dbddd33ddc589da37ddb7a95d611e24b8a3246209b4ebd396590eab645712ea308df744324bcc1d173d06f3567797983cd066618c7fd976
diff --git a/dev-R/cachem/cachem-1.0.6.ebuild b/dev-R/cachem/cachem-1.0.6.ebuild
new file mode 100644
index 0000000000..b17a349e7e
--- /dev/null
+++ b/dev-R/cachem/cachem-1.0.6.ebuild
@@ -0,0 +1,26 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit R-packages edo
+
+DESCRIPTION='Cache R Objects with Automatic Pruning'
+KEYWORDS="~amd64"
+LICENSE='MIT'
+RESTRICT="!test? ( test )"
+IUSE="test"
+DEPEND="
+	dev-R/rlang
+	dev-R/fastmap
+	test? ( dev-R/testthat )
+"
+
+SUGGESTED_PACKAGES="
+	dev-R/testthat
+"
+
+src_test() {
+	cd "${WORKDIR}/${P}/tests"
+	NOT_CRAN=true R_LIBS="${T}/R" edo Rscript --vanilla testthat.R
+}
diff --git a/dev-R/cachem/metadata.xml b/dev-R/cachem/metadata.xml
new file mode 100644
index 0000000000..5e46e289f9
--- /dev/null
+++ b/dev-R/cachem/metadata.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>me@r0bert.dev</email>
+		<name>Robert Greener</name>
+	</maintainer>
+	<longdescription lang="en">Key-value stores with automatic pruning. Caches can limit either their total size or the age of the oldest object (or both), automatically pruning objects to maintain the constraints.</longdescription>
+	<upstream>
+		<maintainer>
+			<name>Winston Chang</name>
+			<email>winston@rstudio.com</email>
+		</maintainer>
+		<bugs-to>https://github.com/r-lib/cachem/issues</bugs-to>
+		<remote-id type="github">r-lib/cachem</remote-id>
+	</upstream>
+</pkgmetadata>