diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index cd52c034dc..b8e4c7175c 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4081.3.6+nightly-20251119-0830
+FLATCAR_VERSION=4081.3.6+nightly-20251121-2100
 FLATCAR_VERSION_ID=4081.3.6
-FLATCAR_BUILD_ID="nightly-20251119-0830"
+FLATCAR_BUILD_ID="nightly-20251121-2100"
 FLATCAR_SDK_VERSION=4081.0.0