New snapshot
diff --git a/snapshot.xml b/snapshot.xml
index 1683adc..3fe6c87 100644
--- a/snapshot.xml
+++ b/snapshot.xml
@@ -14,7 +14,7 @@
   <project dest-branch="refs/heads/release-R81-12871.B" name="cos/manifest" path="manifest" revision="a41fc618d7315f941709634bfdc9ec6384d2a395" 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="786bcfa5a270abef1a5ade3c2ed44f51045269ca" 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="7238b9272346419af240236ef2d5cc1df2ae9044" upstream="refs/heads/release-R81-12871.B"/>
   <project dest-branch="refs/heads/master" name="cos/repohooks" path="src/repohooks" revision="a4565d0102690702569fa889a162f5003d607939" upstream="refs/heads/master"/>
   <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"/>
@@ -31,9 +31,9 @@
   <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" name="third_party/chromite" path="chromite" revision="0e8ffd027fcbc52fe685f7b8e0491f6fe71c2ed5" 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="e34ee4e0813a25030376d129bf66860775f1b9ce" 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="fbb8ce82382586a13af267aa10029328e5a576da" 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="8ef3e7661aa0d6953833405e8143855775b7e03b" 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="bc8ded7b5f29cdaa57c8b4e5b8860748f206b813" 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="33b584766d731bb01427ff891c575b06ca645ba3" 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="32a7a98daf125f3f2bbd2c217a5c17df09a25f3f" upstream="refs/heads/release-R81-12871.B"/>
   
   <repo-hooks enabled-list="pre-upload" in-project="cos/repohooks"/>
 </manifest>