diff --git a/update_depot_tools b/update_depot_tools
index 417b15d5a..677befa28 100755
--- a/update_depot_tools
+++ b/update_depot_tools
@@ -101,7 +101,7 @@ function update_git_repo {
 
   git fetch -q origin &> /dev/null
   local CHECKOUT_TXT STATUS
-  CHECKOUT_TXT=$(git checkout -q origin/master 2>&1)
+  CHECKOUT_TXT=$(git checkout -q origin/main 2>&1)
   STATUS=$?
   if [[ $STATUS -ne 0 ]]; then
     echo "depot_tools update failed. Conflict in $base_dir" >&2
diff --git a/update_depot_tools.bat b/update_depot_tools.bat
index 4df4d44d8..11d8bc3e9 100644
--- a/update_depot_tools.bat
+++ b/update_depot_tools.bat
@@ -52,7 +52,7 @@ for /F %%x in ('git config --get remote.origin.url') DO (
   )
 )
 call git fetch -q origin > NUL
-call git checkout -q origin/master > NUL
+call git checkout -q origin/main > NUL
 if errorlevel 1 (
   echo Failed to update depot_tools.
   goto :EOF