diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3d78a8..7c805cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## [0.1.1] - 2019.09.08
+
+### Added
+
+- Support saving and loading a `TensileTest` from a JSON file.
+- Added a class `LMFitter` for fitting experimental tensile tests using a Levenberg-Marquardt optimisation process.
+
 ## [0.1.0] - 2019.09.03
 
 - Initial release.
diff --git a/tensile_test/_version.py b/tensile_test/_version.py
index b794fd4..df9144c 100644
--- a/tensile_test/_version.py
+++ b/tensile_test/_version.py
@@ -1 +1 @@
-__version__ = '0.1.0'
+__version__ = '0.1.1'