diff --git a/handsdown/cli_parser.py b/handsdown/cli_parser.py
index 594edfed..ea3765a6 100644
--- a/handsdown/cli_parser.py
+++ b/handsdown/cli_parser.py
@@ -179,7 +179,7 @@ def parse_args(args: Iterable[str]) -> CLINamespace:
         default="",
         type=git_repo,
     )
-    parser.add_argument("--branch", help="Main branch name", default="master")
+    parser.add_argument("--branch", help="Main branch name", default="main")
     parser.add_argument(
         "--toc-depth", help="Maximum depth of child modules ToC", default=1, type=int
     )
diff --git a/scripts/update_docs.sh b/scripts/update_docs.sh
index b06716a6..793f400d 100755
--- a/scripts/update_docs.sh
+++ b/scripts/update_docs.sh
@@ -4,5 +4,5 @@ set -e
 ROOT_PATH=$(dirname $(dirname $(realpath $0)))
 cd $ROOT_PATH
 
-handsdown -o docs_local --cleanup $@
-handsdown --external `git config --get remote.origin.url` --cleanup $@
+handsdown -o docs_local --cleanup  --branch master $@
+handsdown --external `git config --get remote.origin.url` --cleanup --branch master $@
diff --git a/tests/test_main.py b/tests/test_main.py
index ab4d1b11..158bfdc1 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -37,7 +37,7 @@ def test_main(self, generator_mock, path_finder_mock, _get_logger_mock):
             output_path=Path("/output-path"),
             project_name="Handsdown",
             raise_errors=False,
-            source_code_url="blob/master/",
+            source_code_url="blob/main/",
             source_paths=path_finder_mock().exclude().include().glob(),
             toc_depth=1,
         )