Update changelog for 2019b release
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80df6b1..f635526 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+## 2019b
+
+### Zone Changes
+
+* Update to latest OSM data
+
+### Other Changes
+
+* Include JSON list of timezone names in each release ([#69](https://github.com/evansiroky/timezone-boundary-builder/issues/69))
+* Improve troubleshooting wiki by adding demo video on fixing broken relations ([#68](https://github.com/evansiroky/timezone-boundary-builder/issues/68))
+
## 2019a
### Zone Changes
