CHANGELOG.md in aipp-2.1.5 vs CHANGELOG.md in aipp-2.1.6

@@ -1,8 +1,13 @@
 ## Main
 
 Nothing so far
 
+## 2.1.6
+
+#### Fixes
+* Update NOTAM gem
+
 ## 2.1.5
 
 #### Fixes
 * Use UTC date for DABS cross check
 * Update NOTAM gem