diff --git a/sdk_container/src/third_party/portage-stable/changelog/security/2022-02-16-libarchive-3.5.3.md b/sdk_container/src/third_party/portage-stable/changelog/security/2022-02-16-libarchive-3.5.3.md
new file mode 100644
index 0000000000..f06fa27e41
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/security/2022-02-16-libarchive-3.5.3.md
@@ -0,0 +1 @@
+- libarchive ([CVE-2021-31566](https://nvd.nist.gov/vuln/detail/CVE-2021-31566), [CVE-2021-36976](https://nvd.nist.gov/vuln/detail/CVE-2021-36976))
diff --git a/sdk_container/src/third_party/portage-stable/changelog/updates/2022-02-16-libarchive-3.5.3.md b/sdk_container/src/third_party/portage-stable/changelog/updates/2022-02-16-libarchive-3.5.3.md
new file mode 100644
index 0000000000..4f08ef4b94
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/updates/2022-02-16-libarchive-3.5.3.md
@@ -0,0 +1 @@
+- libarchive [3.5.3](https://github.com/libarchive/libarchive/releases/tag/v3.5.3)