diff --git a/requirements.txt b/requirements.txt
index accbd24..1719f6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,7 @@
-requests
-cached-property
+-i https://pypi.org/simple
+cached-property==1.5.1
+certifi==2020.6.20
+chardet==3.0.4
+idna==2.10
+requests==2.24.0
+urllib3==1.25.10