CHANGELOG.md in itamae-1.1.15 vs CHANGELOG.md in itamae-1.1.16

@@ -1,4 +1,10 @@
+## v1.1.16
+
+Features
+
+- `source` attribute of `gem_package` resource.
+
 ## v1.1.15
 
 Features
 
 - Implement `gem_package` resource.