diff --git a/tools-requirements.txt b/tools-requirements.txt
index b82f11a5..382a4a03 100644
--- a/tools-requirements.txt
+++ b/tools-requirements.txt
@@ -2,3 +2,4 @@ GitPython
 ruamel.yaml
 requests
 jinja2
+dirsync
diff --git a/tools/sync_doc_repo.py b/tools/sync_doc_repo.py
index abdfc79d..cf924f11 100644
--- a/tools/sync_doc_repo.py
+++ b/tools/sync_doc_repo.py
@@ -21,6 +21,7 @@ import pathlib
 import shutil
 import subprocess
 import warnings
+from dirsync import sync
 
 from git import Repo
 from git import SymbolicReference
@@ -111,12 +112,9 @@ def process_repositories(args, service):
         new_branch.set_tracking_branch(remote_ref)
         new_branch.checkout()
 
-        shutil.copytree(
-            pathlib.Path(copy_from, doc["rst_location"]),
-            pathlib.Path(copy_to, doc["rst_location"]),
-            ignore=lambda a, b: ["conf.py"],
-            dirs_exist_ok=True,
-        )
+        source_path = pathlib.Path(copy_from, doc["rst_location"])
+        target_path = pathlib.Path(copy_to, doc["rst_location"])
+        sync(source_path, target_path, purge=True, create=True, exclude=['conf.py'])
         repo_to.index.add([doc["rst_location"]])
         if len(repo_to.index.diff("HEAD")) == 0:
             # Nothing to commit