diff --git a/snapshot.xml b/snapshot.xml
index e1b1a15..cfa6241 100644
--- a/snapshot.xml
+++ b/snapshot.xml
@@ -9,7 +9,7 @@
   <project dest-branch="refs/heads/release-R81-12871.B" name="cos/manifest" path="manifest" revision="37a0784d6bee5b64b7d4b28e475fc8bc349b6aef" upstream="refs/heads/release-R81-12871.B">
     <copyfile dest="LICENSE" src="LICENSE"/>
   </project>
-  <project dest-branch="refs/heads/release-R81-12871.B" name="cos/overlays/board-overlays" path="src/overlays" revision="4c17a3930a281827e0295837d7c2a406a9ac738a" upstream="refs/heads/release-R81-12871.B"/>
+  <project dest-branch="refs/heads/release-R81-12871.B" name="cos/overlays/board-overlays" path="src/overlays" revision="b712b40b5359b705e7e0bc435fe6d55979a1b328" upstream="refs/heads/release-R81-12871.B"/>
   <project dest-branch="refs/heads/release-R81-12871.B" name="cos/repohooks" path="src/repohooks" revision="049ee9905007f9af00b9d395c1775083e3e480d7" upstream="refs/heads/release-R81-12871.B"/>
   <project name="mirrors/cros/aosp/platform/external/modp_b64" path="src/third_party/modp_b64" revision="ae26ad8516036774fd3b6e84a98a89955dcf5f61"/>
   <project name="mirrors/cros/chromium/tools/depot_tools" path="src/chromium/depot_tools" revision="9253a6857415ff9a401805b90dbefef70ec874a4"/>
@@ -26,9 +26,9 @@
   <project name="mirrors/cros/chromiumos/third_party/portage_tool" path="src/third_party/portage_tool" revision="f2244c7d720232d2629c51baa257f9677181f9d9"/>
   <project name="mirrors/cros/chromiumos/third_party/pyelftools" path="chromite/third_party/pyelftools" revision="0890b98431a9b2e637c18f719232d06a4e5c3cd8"/>
   <project name="mirrors/cros/chromiumos/third_party/toolchain-utils" path="src/third_party/toolchain-utils" revision="5534af8f4f31df22ca307e3e3faa16487fa3d2d2"/>
-  <project dest-branch="refs/heads/release-R81-12871.B-cos-4.19" name="third_party/kernel" path="src/third_party/kernel/v4.19" revision="a9c94b0cc8f9bfa1c0a19b89624f9701b5ba58bd" upstream="refs/heads/release-R81-12871.B-cos-4.19"/>
-  <project dest-branch="refs/heads/release-R81-12871.B" name="third_party/overlays/chromiumos-overlay" path="src/third_party/chromiumos-overlay" revision="9d01539fdd1a6d84f75413cbe496f83f3fd357bc" sync-c="true" upstream="refs/heads/release-R81-12871.B"/>
-  <project dest-branch="refs/heads/release-R81-12871.B" name="third_party/overlays/portage-stable" path="src/third_party/portage-stable" revision="7f59190889544f7dc647973218f114a1cc777d35" upstream="refs/heads/release-R81-12871.B"/>
+  <project dest-branch="refs/heads/release-R81-12871.B-cos-4.19" name="third_party/kernel" path="src/third_party/kernel/v4.19" revision="7e9c4a6321b0963d888c0cbf0b8dfdc987088fa3" upstream="refs/heads/release-R81-12871.B-cos-4.19"/>
+  <project dest-branch="refs/heads/release-R81-12871.B" name="third_party/overlays/chromiumos-overlay" path="src/third_party/chromiumos-overlay" revision="35ba7eca62aa548ed28eba595d53fc5beeffe9b8" sync-c="true" upstream="refs/heads/release-R81-12871.B"/>
+  <project dest-branch="refs/heads/release-R81-12871.B" name="third_party/overlays/portage-stable" path="src/third_party/portage-stable" revision="afd97690601519746e2733de3736559f96a413b3" upstream="refs/heads/release-R81-12871.B"/>
   
   <repo-hooks enabled-list="pre-upload" in-project="cos/repohooks"/>
 </manifest>