diff --git a/requirements.txt b/requirements.txt
index ece0e0e..f273217 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,5 @@
 # Write package's name that need your app.
 #awsiotsdk
 pyyaml
-gpiod
-pymodbus
-pytz
+AWSIoTPythonSDK
 #sdtcloudpubsub
\ No newline at end of file