diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..3d01b26
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,12 @@
+# [v0.3.0](https://github.com/pybamm-team/BPX/releases/tag/v0.3.0)
+
+- Added a missing factor of 2 in the definition of the interfacial current, see the Butler-Volmer equation (2a) in the associated BPX standard document. The interfacial current is now given by $j=2j_0\sinh(F\eta/2/R/T)$ instead of $j=j_0\sinh(F\eta/2/R/T)$.
+
+# [v0.2.0](https://github.com/pybamm-team/BPX/releases/tag/v0.2.0)
+
+- Parsing a BPX json file with additional (unexpected) fields now raises a `ValidationError` ([#16](https://github.com/pybamm-team/BPX/pull/16))
+- Fixed a bug in the experiment schema ([#13](https://github.com/pybamm-team/BPX/pull/13))
+
+# [v0.1.0](https://github.com/pybamm-team/BPX/releases/tag/v0.1.0)
+
+Initial release of the Battery Parameter eXchange (BPX) format.
diff --git a/bpx/__init__.py b/bpx/__init__.py
index 716ca6e..1fd45b1 100644
--- a/bpx/__init__.py
+++ b/bpx/__init__.py
@@ -1,7 +1,7 @@
 """BPX schema and parsers"""
 # flake8: noqa F401
 
-__version__ = "0.2.0"
+__version__ = "0.3.0"
 
 from .interpolated_table import InterpolatedTable
 from .expression_parser import ExpressionParser