CHANGELOG.md in upperkut-0.5.1 vs CHANGELOG.md in upperkut-0.5.2

@@ -1,9 +1,10 @@
 # Upperkut changes
 
 0.5.x
 ----------
 
+- Introducing client middlewares.
 - Fix issue that prevented worker to run.
 - Fix thread-unsafe code that was overwriting worker configurations when
 multiples workers were configured in the same process.
 
 0.4.x