diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6cf723a..5519acf2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 <!--next-version-placeholder-->
 
+## v3.0.0 (2021-11-23)
+### Feature
+* Configure end part of endpoint urls to contain api extension #283 ([`5bdd72e`](https://github.com/ral-facilities/datagateway-api/commit/5bdd72ea911323cdf0fc7d9ec6fb419b8dd6006c))
+
+### Breaking
+* modify endpoint urls to use relevant api extension  ([`5bdd72e`](https://github.com/ral-facilities/datagateway-api/commit/5bdd72ea911323cdf0fc7d9ec6fb419b8dd6006c))
+
 ## v2.0.0 (2021-11-22)
 ### Breaking
 * Adding breaking change to correct the version bump which didn't happen when merging #285  ([`44c48e8`](https://github.com/ral-facilities/datagateway-api/commit/44c48e8b772147bfcf395d1430e067730d66df44))
diff --git a/pyproject.toml b/pyproject.toml
index 6be0c196..6f7acff5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "datagateway-api"
-version = "2.0.0"
+version = "3.0.0"
 description = "ICAT API to interface with the DataGateway"
 license = "Apache-2.0"
 readme = "README.md"