diff --git a/sdk_container/.repo/manifests/mantle-container b/sdk_container/.repo/manifests/mantle-container
index 72b2cac4b6..29cfdc985b 100644
--- a/sdk_container/.repo/manifests/mantle-container
+++ b/sdk_container/.repo/manifests/mantle-container
@@ -1 +1 @@
-ghcr.io/flatcar/mantle:pr-445
+docker pull ghcr.io/flatcar/mantle:pr-445@sha256:b86eb93eb68b587e0e59ff38ae13cd1838255f350313e29cc441f940b43b7f87