diff --git a/requirements.txt b/requirements.txt
index 16f84fa..9c558e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1 @@
-requests==2.20.1
-PyJWT==1.6.4
-cryptography==2.6.1
+.
diff --git a/setup.py b/setup.py
index 69c261a..f8cc1da 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,9 @@
 VERSION = None
 
 REQUIRED = [
-    'requests', 'PyJWT', 'cryptography'
+    'requests==2.20.1',
+    'PyJWT==1.6.4',
+    'cryptography==2.6.1',
 ]
 
 EXTRAS = {