diff --git a/sdk_container/src/third_party/portage-stable/changelog/security/2022-04-12-libarchive-3.6.1.md b/sdk_container/src/third_party/portage-stable/changelog/security/2022-04-12-libarchive-3.6.1.md
new file mode 100644
index 0000000000..969fd50666
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/security/2022-04-12-libarchive-3.6.1.md
@@ -0,0 +1 @@
+- libarchive ([CVE-2022-26280](https://nvd.nist.gov/vuln/detail/CVE-2022-26280))
diff --git a/sdk_container/src/third_party/portage-stable/changelog/updates/2022-04-12-libarchive-3.6.1.md b/sdk_container/src/third_party/portage-stable/changelog/updates/2022-04-12-libarchive-3.6.1.md
new file mode 100644
index 0000000000..19c99d3863
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/updates/2022-04-12-libarchive-3.6.1.md
@@ -0,0 +1 @@
+- libarchive [3.6.1](https://github.com/libarchive/libarchive/releases/tag/v3.6.1)