Update changelog for 0.2.0
diff --git a/CHANGELOG b/CHANGELOG
index d2a9b0e..391d137 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+0.2.0
+=====
+- Add check-json hook
+
 0.1.1
 =====
 - Don't crash on non-parseable files for debug-statement-hook