diff --git a/sdk_container/src/third_party/coreos-overlay/sys-boot/shim-signed/Manifest b/sdk_container/src/third_party/coreos-overlay/sys-boot/shim-signed/Manifest
index 02d7eb60485..9b1cefccdd5 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-boot/shim-signed/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/sys-boot/shim-signed/Manifest
@@ -1 +1 @@
-DIST shimx64.efi.signed 948418 BLAKE2B ab06762d453e7a6849633bf7bad6546fb894cd80d50c1ea133287390dc3bbfb2a83edc813ce334c144e8713e5c236e758b4026095d8c268cb08dff1ad270b510 SHA512 80fb91efef7641432ba3c3d5675083b09e755d76f05b119c1b6c94c8ef3d442ed5f671653da9187e8ebcdadf290d9605e91667750795f42300d62ca1700799b0
+DIST shimx64-15.8.efi.signed 948418 BLAKE2B 7c92989ec63111799cc0f481cef47108e58f96dc3b53116e1cee1e24cc940d3e5470a0aa6c057d86339f435eddc22272281c08e46db0856ada6db69d7cd32c64 SHA512 ff6e4f4add5c9d3914118e53e2669b7f63168c41be95b07c5a8308c64bf1a1d4ff133bb0dde602f0a0c7ef035e4847eac14969c3d9ff3a99c9011c2d8dd20014