diff --git a/setup.py b/setup.py
index 4e20f72..2a10dcf 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ setup(
     install_requires=[
         'numpy',
         'requests',
-        'jwcrypto',
+        'jwcrypto>=0.9.0',
         'redis',
     ],
     zip_safe=False,
diff --git a/test-requirements.txt b/test-requirements.txt
index 18a823c..5022d0f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,2 @@
 nose2
-six
 redis