diff --git a/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest
index c1cb573db06..5694e534844 100644
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/Manifest
@@ -1,2 +1,3 @@
 DIST go1.19.13.src.tar.gz 26578128 BLAKE2B 085e26f9cc6f54472c6e7bb710987895def7a1de774c5f02d468ce8d39ec70a79ef9332e75275921df5fbd9b1ee2cc04ea674e43197f0318c7288ffba8c57f3c SHA512 59405e9b8e061ddaf99b0fb60aa3795bb6a8cf8743ca191a82ba9a4fa3c83da300de2519f13d6fe664f95c7e34fd75259a9e1c92471d219590701572ff0f26e6
 DIST go1.20.14.src.tar.gz 26202564 BLAKE2B 21a97555d086502d7b41398e02d8c7a07be17ec0961a15b11e0b452f05face85f95e8745b68a0e5bbadb7b9a3c014117829f6e45d6acc1adb465125560489442 SHA512 d97951fedf87a999e3f09819a8ac23608980e68173ae141fa11140f0117a35639308de0ea37d3b209bfb709cd5758cd39016dd0f2dd6c3959e1ea3ea29c6fef4
+DIST go1.21.8.src.tar.gz 26992984 BLAKE2B bebcd1a0b5e6d844d272fbd351709344a41856d16ebedad5ab58ac905695dcdd8ca29936a0534a895de7d0bffabed395a6169f1671bcca01e449e960405a4b0b SHA512 dde764ee12fbf58a603d31c20ea239805ffec359a90b0aad7575cc857e241393c2adc47d2f00136db5dff2cbe11b90e8d009d67f9329d363e75a0720067123b0
diff --git a/sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.8.ebuild b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.8.ebuild
new file mode 100644
index 00000000000..7951a795c11
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/go/go-1.21.8.ebuild
@@ -0,0 +1,8 @@
+# Copyright 2022 Flatcar Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit coreos-go-lang
+
+KEYWORDS="-* amd64 arm64"