diff --git a/setup.py b/setup.py
index 34da444..a97d900 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
     description='Etheno is a JSON RPC multiplexer, differential fuzzer, and test framework integration tool.',
     url='https://github.com/trailofbits/etheno',
     author='Trail of Bits',
-    version='0.3.a1',
+    version='0.3a1',
     packages=find_packages(),
     python_requires='>=3.6',
     install_requires=[