diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c536a1..ded54d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.0.0a0
+
+### BREAKING CHANGES
+
+- Require Python 3.5+
+
+
 ## 0.6.0
 
 ### New features
diff --git a/setup.py b/setup.py
index a18b9b0..70089b7 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name="snapshottest",
-    version="0.6.0",
+    version="1.0.0a0",
     description="Snapshot testing for pytest, unittest, Django, and Nose",
     long_description=readme,
     long_description_content_type="text/markdown",