diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 66414d0187..22a2f20866 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=3398.0.0+nightly-20221020-2100
-FLATCAR_VERSION_ID=3398.0.0
-FLATCAR_BUILD_ID="nightly-20221020-2100"
-FLATCAR_SDK_VERSION=3398.0.0+nightly-20221020-2100
+FLATCAR_VERSION=3399.0.0+nightly-20221021-2100
+FLATCAR_VERSION_ID=3399.0.0
+FLATCAR_BUILD_ID="nightly-20221021-2100"
+FLATCAR_SDK_VERSION=3399.0.0+nightly-20221021-2100
diff --git a/sdk_container/src/third_party/coreos-overlay b/sdk_container/src/third_party/coreos-overlay
index 6f82780065..56662f51b2 160000
--- a/sdk_container/src/third_party/coreos-overlay
+++ b/sdk_container/src/third_party/coreos-overlay
@@ -1 +1 @@
-Subproject commit 6f8278006540ff9f246d8a1161ca34622282a6ae
+Subproject commit 56662f51b21f20cfa9cc8b8ce526eaddb240b949