diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 4bd5126722..6625618b6c 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=3139.2.0+nightly-20220504-0155
-FLATCAR_VERSION_ID=3139.2.0
-FLATCAR_BUILD_ID="nightly-20220504-0155"
+FLATCAR_VERSION=3139.2.1
+FLATCAR_VERSION_ID=3139.2.1
+FLATCAR_BUILD_ID=""
 FLATCAR_SDK_VERSION=3139.0.0