diff --git a/README.md b/README.md
index c4ea0bc..ea6e547 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # C++ rules for Bazel
 
-* Postsubmit [![Build status](https://badge.buildkite.com/f03592ae2d7d25a2abc2a2ba776e704823fa17fd3e061f5103.svg?branch=master)](https://buildkite.com/bazel/rules-cc)
+* Postsubmit [![Build status](https://badge.buildkite.com/f03592ae2d7d25a2abc2a2ba776e704823fa17fd3e061f5103.svg?branch=main)](https://buildkite.com/bazel/rules-cc)
 * Postsubmit + Current Bazel Incompatible flags [![Build status](https://badge.buildkite.com/5ba709cc33e5855078a1f8570adcf8e0a78ea93591bc0b4e81.svg?branch=master)](https://buildkite.com/bazel/rules-cc-plus-bazelisk-migrate)
 
 This repository contains Starlark implementation of C++ rules in Bazel.
@@ -8,7 +8,7 @@ This repository contains Starlark implementation of C++ rules in Bazel.
 The rules are being incrementally converted from their native implementations in the [Bazel source tree](https://source.bazel.build/bazel/+/master:src/main/java/com/google/devtools/build/lib/rules/cpp/).
 
 For the list of C++ rules, see the Bazel
-[documentation](https://docs.bazel.build/versions/master/be/overview.html).
+[documentation](https://docs.bazel.build/versions/main/be/overview.html).
 
 # Getting Started
 
@@ -71,7 +71,7 @@ bazel run @rules_cc//tools/migration:legacy_fields_migrator -- \
 
 Bazel and `rules_cc` are the work of many contributors. We appreciate your help!
 
-To contribute, please read the contribution guidelines: [CONTRIBUTING.md](https://github.com/bazelbuild/rules_cc/blob/master/CONTRIBUTING.md).
+To contribute, please read the contribution guidelines: [CONTRIBUTING.md](https://github.com/bazelbuild/rules_cc/blob/main/CONTRIBUTING.md).
 
 Note that the `rules_cc` use the GitHub issue tracker for bug reports and feature requests only.
 For asking questions see:
diff --git a/cc/defs.bzl b/cc/defs.bzl
index ace104c..e49c32b 100644
--- a/cc/defs.bzl
+++ b/cc/defs.bzl
@@ -29,7 +29,7 @@ def _add_tags(attrs):
 def cc_binary(**attrs):
     """Bazel cc_binary rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_binary
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_binary
 
     Args:
       **attrs: Rule attributes
@@ -41,7 +41,7 @@ def cc_binary(**attrs):
 def cc_test(**attrs):
     """Bazel cc_test rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_test
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_test
 
     Args:
       **attrs: Rule attributes
@@ -53,7 +53,7 @@ def cc_test(**attrs):
 def cc_library(**attrs):
     """Bazel cc_library rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_library
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_library
 
     Args:
       **attrs: Rule attributes
@@ -65,7 +65,7 @@ def cc_library(**attrs):
 def cc_import(**attrs):
     """Bazel cc_import rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_import
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_import
 
     Args:
       **attrs: Rule attributes
@@ -77,7 +77,7 @@ def cc_import(**attrs):
 def cc_proto_library(**attrs):
     """Bazel cc_proto_library rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_proto_library
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_proto_library
 
     Args:
       **attrs: Rule attributes
@@ -89,7 +89,7 @@ def cc_proto_library(**attrs):
 def fdo_prefetch_hints(**attrs):
     """Bazel fdo_prefetch_hints rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#fdo_prefetch_hints
+    https://docs.bazel.build/versions/main/be/c-cpp.html#fdo_prefetch_hints
 
     Args:
       **attrs: Rule attributes
@@ -101,7 +101,7 @@ def fdo_prefetch_hints(**attrs):
 def fdo_profile(**attrs):
     """Bazel fdo_profile rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#fdo_profile
+    https://docs.bazel.build/versions/main/be/c-cpp.html#fdo_profile
 
     Args:
       **attrs: Rule attributes
@@ -113,7 +113,7 @@ def fdo_profile(**attrs):
 def cc_toolchain(**attrs):
     """Bazel cc_toolchain rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_toolchain
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_toolchain
 
     Args:
       **attrs: Rule attributes
@@ -125,7 +125,7 @@ def cc_toolchain(**attrs):
 def cc_toolchain_suite(**attrs):
     """Bazel cc_toolchain_suite rule.
 
-    https://docs.bazel.build/versions/master/be/c-cpp.html#cc_toolchain_suite
+    https://docs.bazel.build/versions/main/be/c-cpp.html#cc_toolchain_suite
 
     Args:
       **attrs: Rule attributes
@@ -137,7 +137,7 @@ def cc_toolchain_suite(**attrs):
 def objc_library(**attrs):
     """Bazel objc_library rule.
 
-    https://docs.bazel.build/versions/master/be/objective-c.html#objc_library
+    https://docs.bazel.build/versions/main/be/objective-c.html#objc_library
 
     Args:
       **attrs: Rule attributes
@@ -149,7 +149,7 @@ def objc_library(**attrs):
 def objc_import(**attrs):
     """Bazel objc_import rule.
 
-    https://docs.bazel.build/versions/master/be/objective-c.html#objc_import
+    https://docs.bazel.build/versions/main/be/objective-c.html#objc_import
 
     Args:
       **attrs: Rule attributes
diff --git a/cc/private/toolchain/clang_installation_error.bat.tpl b/cc/private/toolchain/clang_installation_error.bat.tpl
index bec44eb..e3a61a4 100644
--- a/cc/private/toolchain/clang_installation_error.bat.tpl
+++ b/cc/private/toolchain/clang_installation_error.bat.tpl
@@ -18,7 +18,7 @@ echo. 1>&2
 echo The target you are compiling requires the Clang compiler. 1>&2
 echo Bazel couldn't find a valid Clang installation on your machine. 1>&2
 %{clang_error_message}
-echo Please check your installation following https://docs.bazel.build/versions/master/windows.html#using 1>&2
+echo Please check your installation following https://docs.bazel.build/versions/main/windows.html#using 1>&2
 echo. 1>&2
 
 exit /b 1
diff --git a/cc/private/toolchain/vc_installation_error.bat.tpl b/cc/private/toolchain/vc_installation_error.bat.tpl
index b796585..9cdd658 100644
--- a/cc/private/toolchain/vc_installation_error.bat.tpl
+++ b/cc/private/toolchain/vc_installation_error.bat.tpl
@@ -18,7 +18,7 @@ echo. 1>&2
 echo The target you are compiling requires Visual C++ build tools. 1>&2
 echo Bazel couldn't find a valid Visual C++ build tools installation on your machine. 1>&2
 %{vc_error_message}
-echo Please check your installation following https://docs.bazel.build/versions/master/windows.html#using 1>&2
+echo Please check your installation following https://docs.bazel.build/versions/main/windows.html#using 1>&2
 echo. 1>&2
 
 exit /b 1
diff --git a/examples/custom_toolchain/toolchain_config.bzl b/examples/custom_toolchain/toolchain_config.bzl
index 7e0a244..e83162b 100644
--- a/examples/custom_toolchain/toolchain_config.bzl
+++ b/examples/custom_toolchain/toolchain_config.bzl
@@ -7,8 +7,8 @@ structured.
 This is a proof-of-concept simple implementation. It doesn't construct fancy
 command lines and uses mock shell scripts to compile and link
 ("sample_compiler" and "sample_linker"). See
-https://docs.bazel.build/versions/master/cc-toolchain-config-reference.html and
-https://docs.bazel.build/versions/master/tutorial/cc-toolchain-config.html for
+https://docs.bazel.build/versions/main/cc-toolchain-config-reference.html and
+https://docs.bazel.build/versions/main/tutorial/cc-toolchain-config.html for
 advanced usage.
 """
 
@@ -51,7 +51,7 @@ def _impl(ctx):
     ]
 
     # Documented at
-    # https://docs.bazel.build/versions/master/skylark/lib/cc_common.html#create_cc_toolchain_config_info.
+    # https://docs.bazel.build/versions/main/skylark/lib/cc_common.html#create_cc_toolchain_config_info.
     #
     # create_cc_toolchain_config_info is the public interface for registering
     # C++ toolchain behavior.