diff --git a/requirements.txt b/requirements.txt
index 95fdb89..181aa1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,8 @@
-
+certifi==2020.4.5.2
+chardet==3.0.4
+future==0.18.2
+idna==2.9
+pyngrok==3.1.1
+PyYAML==5.3.1
 requests==2.23.0
-pyngrok==4.0.1
-
+urllib3==1.25.9