diff --git a/requirements.txt b/requirements.txt
index 0d8c96e..0557d22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 click
 requests
+urllib3
diff --git a/setup.cfg b/setup.cfg
index b36ce93..caeeceb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,6 +42,7 @@ python_requires = >= 3.7
 install_requires =
     click
     requests
+    urllib3
 
 [options.extras_require]
 dev =