diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 0a5df5135f..3311556a22 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4426.1.0+nightly-20250917-2100
+FLATCAR_VERSION=4426.1.0+nightly-20250923-2100
 FLATCAR_VERSION_ID=4426.1.0
-FLATCAR_BUILD_ID="nightly-20250917-2100"
+FLATCAR_BUILD_ID="nightly-20250923-2100"
 FLATCAR_SDK_VERSION=4426.0.0