diff --git a/setup.py b/setup.py
index bf706ff..6bff740 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@ def read(fname):
         "Topic :: Utilities",
         "License :: OSI Approved :: MIT License",
     ],
-    install_requires=["lxml", "requests", "cloudscraper"],
+    install_requires=["lxml", "requests", "cloudscraper", "garth"],
     entry_points={
         "console_scripts": ["withings-sync=withings_sync.sync:main"],
     },