diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 00000000..db971546
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Changelog
+
+<!--next-version-placeholder-->
+
+## v1.0.0 (2021-11-03)
+### Breaking
+* As the API will be approaching production use soon, this seems like a good opportunity to bump the version to 1.0.0. This also serves as a good test that the introduction of automatic versioning actually works  ([`ccf6d29`](https://github.com/ral-facilities/datagateway-api/commit/ccf6d2974216f8979a03e3e223f7c9e84ced05cb))
+
+### Documentation
+* Follow Angular commit message capitalisation #242 ([`d53d85a`](https://github.com/ral-facilities/datagateway-api/commit/d53d85ad46a115ba871c6da8273a242e790c810c))
+* Add documentation to explain versioning on this repo #242 ([`ccf6d29`](https://github.com/ral-facilities/datagateway-api/commit/ccf6d2974216f8979a03e3e223f7c9e84ced05cb))
diff --git a/pyproject.toml b/pyproject.toml
index 93fdf128..079f9ba3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "datagateway-api"
-version = "0.1.0"
+version = "1.0.0"
 description = "ICAT API to interface with the DataGateway"
 license = "Apache-2.0"
 readme = "README.md"