diff --git a/setup_trinity.py b/setup_trinity.py
index 10f97bdea2..066785d700 100644
--- a/setup_trinity.py
+++ b/setup_trinity.py
@@ -7,7 +7,7 @@
     name='trinity',
     # *IMPORTANT*: Don't manually change the version here. Use the 'bumpversion' utility.
     # NOT CURRENTLY APPLICABLE. VERSION BUMPS MANUAL FOR NOW
-    version='0.1.0-alpha.19',
+    version='0.1.0-alpha.20',
     description='The Trinity Ethereum Client',
     author='Ethereum Foundation',
     author_email='piper@pipermerriam.com',
@@ -16,7 +16,7 @@
     py_modules=[],
     install_requires=[
         # DON'T FORGET TO BUMP THIS TOOOOOO!!!!!!!
-        'py-evm[trinity,p2p]==0.2.0a35',
+        'py-evm[trinity,p2p]==0.2.0a37',
     ],
     license='MIT',
     zip_safe=False,