diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac09ba0..a7244e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 - HTML+ERB wrong and ambiguous instruction
+- Cannot specify xtype or ytype as root options
 
 
 ## [0.1.5] - 2019-07-20
diff --git a/lib/apexcharts/options/root.rb b/lib/apexcharts/options/root.rb
index 1a265b3..267fe54 100644
--- a/lib/apexcharts/options/root.rb
+++ b/lib/apexcharts/options/root.rb
@@ -31,8 +31,10 @@ class RootOptions < ::SmartKv
                   var
                   xaxis
                   xtitle
+                  xtype
                   yaxis
                   ytitle
+                  ytype
                 ],
              *DivAttributes.optional_keys,
              *ChartOptions.optional_keys,