diff --git a/requirements.txt b/requirements.txt
index 4406938b..c791e05a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,11 @@
-beautifulsoup4
-bs4
-certifi
-chardet
-colorama
-idna
-lxml
-PySocks
-requests
-requests-futures
-soupsieve
-stem
-torrequest
-urllib3
+beautifulsoup4>=4.8.0
+bs4>=0.0.1
+certifi>=2019.6.16
+colorama>=0.4.1
+lxml>=4.4.0
+PySocks>=1.7.0
+requests>=2.22.0
+requests-futures>=1.0.0
+soupsieve>=1.9.2
+stem>=1.7.1
+torrequest>=0.1.0