diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 2647db1a23..1cb7584030 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4459.2.1+nightly-20251211-2100
-FLATCAR_VERSION_ID=4459.2.1
+FLATCAR_VERSION=4459.1.2+nightly-20251211-2100
+FLATCAR_VERSION_ID=4459.1.2
 FLATCAR_BUILD_ID="nightly-20251211-2100"
 FLATCAR_SDK_VERSION=4459.0.0