diff --git a/setup.py b/setup.py
index b5f91e1..e97d899 100755
--- a/setup.py
+++ b/setup.py
@@ -25,13 +25,13 @@ import setuptools
 
 deps = [
     'certauth==1.1.6',
-    'warctools>=4.10.0',
-    'urlcanon>=0.1.dev16',
-    'doublethink>=0.2.0.dev87',
-    'urllib3>=1.23',
-    'requests>=2.0.1',
-    'PySocks>=1.6.8',
-    'cryptography>=2.3',
+    'warctools>=4.10.0,<=4.10.0',
+    'urlcanon>=0.1.dev16,<=0.1.dev23',
+    'doublethink>=0.2.0.dev87,<=0.2.0.dev88',
+    'urllib3>=1.23,<=1.23',
+    'requests>=2.0.1,<=2.19.1',
+    'PySocks>=1.6.8,<=1.6.8',
+    'cryptography>=2.3,<=2.3.1',
     'idna>=2.5,<2.8',
 ]
 try:
@@ -41,7 +41,7 @@ except:
 
 setuptools.setup(
         name='warcprox',
-        version='2.4b3.dev193',
+        version='2.4b3',
         description='WARC writing MITM HTTP/S proxy',
         url='https://github.com/internetarchive/warcprox',
         author='Noah Levitt',
@@ -67,6 +67,7 @@ setuptools.setup(
             'Programming Language :: Python :: 3.4',
             'Programming Language :: Python :: 3.5',
             'Programming Language :: Python :: 3.6',
+            'Programming Language :: Python :: 3.7',
             'Topic :: Internet :: Proxy Servers',
             'Topic :: Internet :: WWW/HTTP',
             'Topic :: Software Development :: Libraries :: Python Modules',