diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index d0da6af383..c1307c5eee 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4081.3.7+nightly-20260504-2100
+FLATCAR_VERSION=4081.3.7+linux-6.6.138-flatcar-4081
 FLATCAR_VERSION_ID=4081.3.7
-FLATCAR_BUILD_ID="nightly-20260504-2100"
+FLATCAR_BUILD_ID="linux-6.6.138-flatcar-4081"
 FLATCAR_SDK_VERSION=4081.0.0