diff --git a/sdk_container/.repo/manifests/version.txt b/sdk_container/.repo/manifests/version.txt
index 04ceea634b..6f16b1ebe8 100644
--- a/sdk_container/.repo/manifests/version.txt
+++ b/sdk_container/.repo/manifests/version.txt
@@ -1,4 +1,4 @@
-FLATCAR_VERSION=3815.0.0+nightly-20231215-2100
+FLATCAR_VERSION=3815.0.0+nightly-20231218-2100
 FLATCAR_VERSION_ID=3815.0.0
-FLATCAR_BUILD_ID="nightly-20231215-2100"
+FLATCAR_BUILD_ID="nightly-20231218-2100"
 FLATCAR_SDK_VERSION=3815.0.0