CHANGELOG.md in qa_server-5.5.0 vs CHANGELOG.md in qa_server-5.5.1

@@ -1,4 +1,8 @@
+### 5.5.1 (2020-01-29)
+
+* fix - check for nil before calling .each
+
 ### 5.5.0 (2020-01-10)
 
 * use caching with expiry for monitor status page
 
 ### 5.4.0 (2020-01-07)