diff --git a/Makefile b/Makefile
index 91fa67f..4669672 100644
--- a/Makefile
+++ b/Makefile
@@ -47,4 +47,4 @@ test:
 	$(MYPY) -p benchmark
 	$(PYTEST) $(PYTEST_ARGS) 
 
-.PHONY: test test-watch docs install
+.PHONY: test test-watch docs install dist
diff --git a/requirements.txt b/requirements.txt
index 0ba012d..347e44b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,3 +18,4 @@ mypy==0.790
 pdoc3==0.7.*
 decorator~=4.4
 overrides
+twine
diff --git a/setup.py b/setup.py
index 8a5f1f2..097238f 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ with open("README.md", "r") as fh:
 
 setup(
     name="miplearn",
-    version="0.2.0",
+    version="0.2.0.dev0",
     author="Alinson S. Xavier",
     author_email="axavier@anl.gov",
     description="Extensible framework for Learning-Enhanced Mixed-Integer Optimization",