diff --git a/CHANGES.md b/CHANGES.md
new file mode 100644
index 0000000..3c7c730
--- /dev/null
+++ b/CHANGES.md
@@ -0,0 +1,27 @@
+# Release History
+
+## dev
+
+No significant changes since the last release
+
+## 1.0.0
+
+| Released on | Released by   |
+|-------------|---------------|
+| 2022-03-14  | @dannyroberts |
+
+This is a major release only because it officially drops support for Python 2.7, 3.5, and 3.6.
+There are no behavior changes, and no other breaking changes.
+
+- Add support for Python 3.10 and remove support for Python < 3.7 (past EOL)
+- Upgrade Cython for building .c files from 0.29.21 to 0.29.28
+
+## 0.9.10
+
+| Released on  | Released by |
+|--------------|-------------|
+| 2021-02-11   | @czue       |
+
+- Add official support for python 3.7 through 3.9
+- Upgrade Cython for building .c files from 0.29.6 to 0.29.21
+- Do not produce "universal wheels" (https://github.com/dimagi/jsonobject/pull/169)
diff --git a/setup.py b/setup.py
index d3f563e..e75e86a 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
 
 setup(
     name='jsonobject',
-    version='0.9.10',
+    version='1.0.0',
     author='Danny Roberts',
     author_email='droberts@dimagi.com',
     description='A library for dealing with JSON as python objects',