diff --git a/sdk_container/src/third_party/coreos-overlay/changelog/updates/2022-08-26-shadow-4.12.3.md b/sdk_container/src/third_party/coreos-overlay/changelog/updates/2022-08-26-shadow-4.12.3.md
new file mode 100644
index 0000000000..22a31036ce
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/changelog/updates/2022-08-26-shadow-4.12.3.md
@@ -0,0 +1 @@
+- shadow ([4.12.3](https://github.com/shadow-maint/shadow/releases/tag/4.12.3))