diff --git a/setup.py b/setup.py
index 901a242de..a0f81b3fe 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ def has_ext_modules(self):
 
 setup(
     name="larq-compute-engine",
-    version="0.3.0",
+    version="0.4.0.dev20200728",
     python_requires=">=3.6",
     description="Highly optimized inference engine for binarized neural networks.",
     long_description=readme(),