diff --git a/snapshot.xml b/snapshot.xml
index 5845ed9..d5e89ac 100644
--- a/snapshot.xml
+++ b/snapshot.xml
@@ -4,7 +4,7 @@
   <remote fetch="https://chromium.googlesource.com" name="chromium" review="https://chromium-review.googlesource.com"/>
   <remote fetch="https://cos.googlesource.com" name="cos" review="https://cos-review.googlesource.com"/>
   
-  <default remote="cos" revision="refs/heads/master" sync-j="8"/>
+  <default remote="cos" revision="refs/heads/release-R101" sync-j="8"/>
   
   <project name="breakpad/breakpad" path="src/third_party/breakpad" remote="chromium" revision="bc7ddae23425cee8999e4e8ed61f77a62f058cbf"/>
   <project name="chromiumos/platform/fw-testing-configs" path="src/third_party/autotest/files/server/cros/faft/fw-testing-configs" remote="chromium" revision="7a01213d5fdc415d99fe5060a0f06fccdcee018a"/>
@@ -14,13 +14,13 @@
   <project name="chromiumos/platform/tast-tests" path="src/platform/tast-tests" remote="chromium" revision="45e1d1e1d8426d5a23926257afd9c869029cdbd0"/>
   <project name="chromiumos/third_party/hdctools" path="src/third_party/hdctools" remote="chromium" revision="eac1edcc3c370f34bacf94403be80dbda6c7077a"/>
   <project name="chromiumos/third_party/rootdev" path="src/third_party/rootdev" remote="chromium" revision="b2f37be7c25bc83b76f1b7063a4ef38b824dc4ef"/>
-  <project dest-branch="refs/heads/master" name="cos/cobble" path="src/platform/cobble" revision="a910c096139769e35720174069e81e89bf90fdc6" upstream="refs/heads/master"/>
-  <project dest-branch="refs/heads/main" name="cos/compliance" path="src/compliance" revision="2c6427982659ed530be6f10c5f22aeaf25e4874f" upstream="refs/heads/main"/>
-  <project dest-branch="refs/heads/master" name="cos/manifest" path="manifest" revision="06c6da4bac8484386a3b8d81af958308f7ff1fd2" upstream="refs/heads/master">
+  <project dest-branch="refs/heads/release-R101" name="cos/cobble" path="src/platform/cobble" revision="a910c096139769e35720174069e81e89bf90fdc6" upstream="refs/heads/release-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="cos/compliance" path="src/compliance" revision="2c6427982659ed530be6f10c5f22aeaf25e4874f" upstream="refs/heads/release-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="cos/manifest" path="manifest" revision="217523a4407fa6a02c54fc2173309b3a51104a9d" upstream="refs/heads/release-R101">
     <copyfile dest="LICENSE" src="LICENSE"/>
   </project>
-  <project dest-branch="refs/heads/master" name="cos/overlays/board-overlays" path="src/overlays" revision="98c3f3f5f01a22daf35ca049b997eba54222fc5f" upstream="refs/heads/master"/>
-  <project dest-branch="refs/heads/main" name="cos/policymanager" path="src/third_party/policymanager" revision="25eb11e9dac3bab34657bcf7fadf2f4ddf9e1c2b" upstream="refs/heads/main"/>
+  <project dest-branch="refs/heads/main-R101" name="cos/overlays/board-overlays" path="src/overlays" revision="98c3f3f5f01a22daf35ca049b997eba54222fc5f" upstream="refs/heads/main-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="cos/policymanager" path="src/third_party/policymanager" revision="25eb11e9dac3bab34657bcf7fadf2f4ddf9e1c2b" upstream="refs/heads/release-R101"/>
   <project dest-branch="refs/heads/master" name="cos/repohooks" path="src/repohooks" revision="e176a9976b81b6a2f7c5665556349ac2f71595d3" upstream="refs/heads/master"/>
   <project name="linux-syscall-support.git" path="src/third_party/breakpad/src/third_party/lss" remote="chromium" revision="e1e7b0ad8ee99a875b272c8e33e308472e897660"/>
   <project name="mirrors/cros/aosp/platform/external/modp_b64" path="src/third_party/modp_b64" revision="269b6fb8401617b85e2dff7ae8a7b0f97613e2cd"/>
@@ -37,16 +37,16 @@
   <project name="mirrors/cros/chromiumos/third_party/pyelftools" path="chromite/third_party/pyelftools" revision="6fec9f599bef566fe8f6f6ca6c2102508b664792"/>
   <project name="mirrors/cros/chromiumos/third_party/toolchain-utils" path="src/third_party/toolchain-utils" revision="79644ecd692df1a59cc50e9d31514948edb74852"/>
   <project name="mirrors/cros/chromiumos/third_party/u-boot" path="src/third_party/u-boot/files" revision="39ce6d27ad29fd324793a8d0c7db8ae712cc027c"/>
-  <project dest-branch="refs/heads/main" name="third_party/chromite" path="chromite" revision="5046b4368b8a3bf275fdf852ad7ca6c85c2e5025" upstream="refs/heads/main"/>
-  <project dest-branch="refs/heads/cos-5.4" name="third_party/kernel" path="src/third_party/kernel/v5.4" revision="664a75d0efab8a9c2cb379b38548f5e62b3c5a7a" upstream="refs/heads/cos-5.4"/>
-  <project dest-branch="refs/heads/cos-5.10" name="third_party/kernel" path="src/third_party/kernel/v5.10" revision="26d5ace8828fa092c2f1062b0276b5267a1138bc" upstream="refs/heads/cos-5.10"/>
-  <project dest-branch="refs/heads/cos-5.15" name="third_party/kernel" path="src/third_party/kernel/v5.15" revision="8bfe6c5345f9850198586f1c0fe2466212e6b8d6" upstream="refs/heads/cos-5.15"/>
-  <project dest-branch="refs/heads/master" name="third_party/overlays/chromiumos-overlay" path="src/third_party/chromiumos-overlay" revision="1e2d1b498b169bf7d93dcd55ce61a7846d008f38" sync-c="true" upstream="refs/heads/master"/>
-  <project dest-branch="refs/heads/master" name="third_party/overlays/eclass-overlay" path="src/third_party/eclass-overlay" revision="7e11816dd37c069bd727ed4b6efc96f6b772e834" upstream="refs/heads/master"/>
-  <project dest-branch="refs/heads/master" name="third_party/overlays/portage-stable" path="src/third_party/portage-stable" revision="d10e63d0654dc521cd3ba1c18b85b68d9ca99180" upstream="refs/heads/master"/>
-  <project dest-branch="refs/heads/main" name="third_party/platform/crosutils" path="src/scripts" revision="ade191ab52dc4b7b585b4d1d735a2d911772e928" upstream="refs/heads/main"/>
-  <project dest-branch="refs/heads/main" name="third_party/platform/vboot_reference" path="src/platform/vboot_reference" revision="25876f2be637a3a923b2c516846adb94b6dba515" upstream="refs/heads/main"/>
-  <project dest-branch="refs/heads/main" name="third_party/toolbox" path="src/third_party/toolbox" revision="c9efb0c1d5a96383bf4037309fc0dda914a28b39" upstream="refs/heads/main"/>
+  <project dest-branch="refs/heads/release-R101" name="third_party/chromite" path="chromite" revision="5046b4368b8a3bf275fdf852ad7ca6c85c2e5025" upstream="refs/heads/release-R101"/>
+  <project dest-branch="refs/heads/release-R101-cos-5.4" name="third_party/kernel" path="src/third_party/kernel/v5.4" revision="664a75d0efab8a9c2cb379b38548f5e62b3c5a7a" upstream="refs/heads/release-R101-cos-5.4"/>
+  <project dest-branch="refs/heads/release-R101-cos-5.10" name="third_party/kernel" path="src/third_party/kernel/v5.10" revision="26d5ace8828fa092c2f1062b0276b5267a1138bc" upstream="refs/heads/release-R101-cos-5.10"/>
+  <project dest-branch="refs/heads/release-R101-cos-5.15" name="third_party/kernel" path="src/third_party/kernel/v5.15" revision="8bfe6c5345f9850198586f1c0fe2466212e6b8d6" upstream="refs/heads/release-R101-cos-5.15"/>
+  <project dest-branch="refs/heads/main-R101" name="third_party/overlays/chromiumos-overlay" path="src/third_party/chromiumos-overlay" revision="1e2d1b498b169bf7d93dcd55ce61a7846d008f38" sync-c="true" upstream="refs/heads/main-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="third_party/overlays/eclass-overlay" path="src/third_party/eclass-overlay" revision="7e11816dd37c069bd727ed4b6efc96f6b772e834" upstream="refs/heads/release-R101"/>
+  <project dest-branch="refs/heads/main-R101" name="third_party/overlays/portage-stable" path="src/third_party/portage-stable" revision="d10e63d0654dc521cd3ba1c18b85b68d9ca99180" upstream="refs/heads/main-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="third_party/platform/crosutils" path="src/scripts" revision="ade191ab52dc4b7b585b4d1d735a2d911772e928" upstream="refs/heads/release-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="third_party/platform/vboot_reference" path="src/platform/vboot_reference" revision="25876f2be637a3a923b2c516846adb94b6dba515" upstream="refs/heads/release-R101"/>
+  <project dest-branch="refs/heads/release-R101" name="third_party/toolbox" path="src/third_party/toolbox" revision="c9efb0c1d5a96383bf4037309fc0dda914a28b39" upstream="refs/heads/release-R101"/>
   
   <repo-hooks enabled-list="pre-upload" in-project="cos/repohooks"/>
 </manifest>