diff --git a/requirements.txt b/requirements.txt
index 886d872..50efa60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,20 +1,3 @@
-astroid==2.4.2
-autopep8==1.5.4
-certifi==2020.12.5
-chardet==4.0.0
-DingtalkChatbot==1.5.2
-idna==2.10
-isort==5.7.0
-lazy-object-proxy==1.4.3
-mccabe==0.6.1
-pkg-resources==0.0.0
-pycodestyle==2.6.0
-pylint==2.6.0
-requests==2.25.1
-six==1.15.0
-slack-bolt==1.2.3
-slack-sdk==3.2.0
-toml==0.10.2
-typed-ast==1.4.2
-urllib3==1.26.2
-wrapt==1.12.1
+DingtalkChatbot
+slack-bolt
+slack-sdk