diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 928e231e90..cc01564518 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=3210.0.0+nightly-20220415-0155
-FLATCAR_VERSION_ID=3210.0.0
-FLATCAR_BUILD_ID="nightly-20220415-0155"
-FLATCAR_SDK_VERSION=3210.0.0+nightly-20220415-0155
+FLATCAR_VERSION=3216.0.0+nightly-20220421-0510
+FLATCAR_VERSION_ID=3216.0.0
+FLATCAR_BUILD_ID="nightly-20220421-0510"
+FLATCAR_SDK_VERSION=3216.0.0+nightly-20220421-0510
diff --git a/sdk_container/src/third_party/coreos-overlay b/sdk_container/src/third_party/coreos-overlay
index dd61b1877b..51f1982c9f 160000
--- a/sdk_container/src/third_party/coreos-overlay
+++ b/sdk_container/src/third_party/coreos-overlay
@@ -1 +1 @@
-Subproject commit dd61b1877bea0ec27a129521800d820b1f7cf49a
+Subproject commit 51f1982c9f5927be51b4ed200ddbfcedbdf75223
diff --git a/sdk_container/src/third_party/portage-stable b/sdk_container/src/third_party/portage-stable
index 60d264fce9..1ff86e64b2 160000
--- a/sdk_container/src/third_party/portage-stable
+++ b/sdk_container/src/third_party/portage-stable
@@ -1 +1 @@
-Subproject commit 60d264fce930560928557e186c26f57cbfdbc4ba
+Subproject commit 1ff86e64b20d6007e3d95d7d45fcf4136f6b998a