diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index b945b1bcc9..b3d7fc1de4 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=3549.0.0+nightly-20230320-2100
-FLATCAR_VERSION_ID=3549.0.0
-FLATCAR_BUILD_ID="nightly-20230320-2100"
-FLATCAR_SDK_VERSION=3549.0.0+nightly-20230320-2100
+FLATCAR_VERSION=3550.0.0+nightly-20230321-2100
+FLATCAR_VERSION_ID=3550.0.0
+FLATCAR_BUILD_ID="nightly-20230321-2100"
+FLATCAR_SDK_VERSION=3550.0.0+nightly-20230321-2100
diff --git a/sdk_container/src/third_party/portage-stable b/sdk_container/src/third_party/portage-stable
index 73fde56cf9..4ab46e67ec 160000
--- a/sdk_container/src/third_party/portage-stable
+++ b/sdk_container/src/third_party/portage-stable
@@ -1 +1 @@
-Subproject commit 73fde56cf9d2f098ca958f33d3e6cd71de6908e8
+Subproject commit 4ab46e67ec2eb08466e87231480ec1354eccdc94