diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 50d65357e9..e63896dcc1 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4641.0.0+nightly-20260316-2100
-FLATCAR_VERSION_ID=4641.0.0
-FLATCAR_BUILD_ID="nightly-20260316-2100"
+FLATCAR_VERSION=9999.9.9+sayan-chewi-edk2-202511
+FLATCAR_VERSION_ID=9999.9.9
+FLATCAR_BUILD_ID="sayan-chewi-edk2-202511"
 FLATCAR_SDK_VERSION=4641.0.0+nightly-20260316-2100