diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index e311a9f1df..9ca780a438 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=4456.0.0+nightly-20250912-2100
-FLATCAR_VERSION_ID=4456.0.0
-FLATCAR_BUILD_ID="nightly-20250912-2100"
-FLATCAR_SDK_VERSION=4456.0.0+nightly-20250912-2100
+FLATCAR_VERSION=4459.0.0+nightly-20250915-2100
+FLATCAR_VERSION_ID=4459.0.0
+FLATCAR_BUILD_ID="nightly-20250915-2100"
+FLATCAR_SDK_VERSION=4459.0.0+nightly-20250915-2100