diff --git a/requirements.txt b/requirements.txt
index 26debe5..b2ac741 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,5 @@
-python-telegram-bot
-google-api-python-client>=1.7.11
-google-auth-httplib2
-google-auth-oauthlib==0.4.0
-google-auth==1.6.3
-more-itertools>=4.2.0
-ndg-httpsclient>=0.4.0
-pyasn1>=0.4.3
-pyasn1-modules>=0.2.1
-uritemplate>=3.0.0
-urllib3>=1.23
-aria2p>=0.3.0,<=0.5.0
-schedule
-mimelib
-
+python-telegram-bot==12.2.0
+google-api-python-client>=1.7.11,<1.7.20
+google-auth-httplib2>=0.0.3,<0.1.0
+google-auth-oauthlib>=0.4.1,<0.10.0
+aria2p>=0.3.0,<0.10.0