diff --git a/requirements.txt b/requirements.txt
index c8c73ff..1db5254 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-python-dotenv==0.18.0
+python-dotenv==0.20.0
 tweepy==3.10.0
-pytz==2021.1
+pytz==2022.1