diff --git a/DESCRIPTION b/DESCRIPTION
index f8f4afd..66ef701 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,5 +1,5 @@
 Package: apexcharter
-Version: 0.1.8.910
+Version: 0.1.8.9100
 Title: Create Interactive Chart with the JavaScript 'ApexCharts' Library
 Description: Provides an 'htmlwidgets' interface to 'apexcharts.js'. 
   'Apexcharts' is a modern JavaScript charting library to build interactive charts and visualizations with simple API.
diff --git a/NAMESPACE b/NAMESPACE
index a1c38c2..a8b2349 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -86,6 +86,7 @@ importFrom(htmltools,resolveDependencies)
 importFrom(htmltools,tagList)
 importFrom(htmltools,tags)
 importFrom(htmlwidgets,JS)
+importFrom(htmlwidgets,JSEvals)
 importFrom(htmlwidgets,createWidget)
 importFrom(htmlwidgets,getDependency)
 importFrom(htmlwidgets,shinyRenderWidget)
diff --git a/R/proxy.R b/R/proxy.R
index bcd7425..69318ba 100644
--- a/R/proxy.R
+++ b/R/proxy.R
@@ -1,28 +1,28 @@
 
 #' @title Proxy for \code{apexchart}
-#' 
+#'
 #' @description Allow to update a chart in Shiny application.
 #'
 #' @param shinyId single-element character vector indicating the output ID of the
 #'   chart to modify (if invoked from a Shiny module, the namespace will be added
 #'   automatically)
 #' @param session the Shiny session object to which the chart belongs; usually the
-#'   default value will suffice 
+#'   default value will suffice
 #'
 #' @export
-#' 
+#'
 #' @importFrom shiny getDefaultReactiveDomain
 #'
 apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain()) {
-  
+
   if (is.null(session)) {
     stop("apexchartProxy must be called from the server function of a Shiny app")
   }
-  
+
   if (!is.null(session$ns) && nzchar(session$ns(NULL)) && substring(shinyId, 1, nchar(session$ns(""))) != session$ns("")) {
     shinyId <- session$ns(shinyId)
   }
-  
+
   structure(
     list(
       session = session,
@@ -43,7 +43,7 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
 #' @return A \code{apexchartProxy} \code{htmlwidget} object.
 #' @noRd
 .ax_proxy <- function(proxy, name, ...) {
-  if (!"apexchart_Proxy" %in% class(proxy)) 
+  if (!"apexchart_Proxy" %in% class(proxy))
     stop("This function must be used with a apexchartProxy object", call. = FALSE)
   proxy$session$sendCustomMessage(
     type = sprintf("update-apexchart-%s", name),
@@ -52,7 +52,7 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
   proxy
 }
 .ax_proxy2 <- function(proxy, name, l) {
-  if (!"apexchart_Proxy" %in% class(proxy)) 
+  if (!"apexchart_Proxy" %in% class(proxy))
     stop("This function must be used with a apexchartProxy object", call. = FALSE)
   proxy$session$sendCustomMessage(
     type = sprintf("update-apexchart-%s", name),
@@ -64,9 +64,9 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
 
 
 
-#' @title Proxy for updating series. 
-#' 
-#' @description Allows you to update the series array overriding the existing one. 
+#' @title Proxy for updating series.
+#'
+#' @description Allows you to update the series array overriding the existing one.
 #'
 #' @param proxy A \code{apexchartProxy} \code{htmlwidget} object.
 #' @param newSeries The series array to override the existing one.
@@ -75,10 +75,10 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
 #' @export
 #'
 #' @examples
-#' 
+#'
 #' if (interactive()) {
 #'   library(shiny)
-#'   
+#'
 #'   ui <- fluidPage(
 #'     fluidRow(
 #'       column(
@@ -88,15 +88,15 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
 #'       )
 #'     )
 #'   )
-#'   
+#'
 #'   server <- function(input, output, session) {
-#'     
+#'
 #'     rv <- reactiveValues()
 #'     rv$df <- data.frame(
 #'       date = Sys.Date() + 1:20,
 #'       values = sample(10:90, 20, TRUE)
 #'     )
-#'     
+#'
 #'     observe({
 #'       invalidateLater(1000, session)
 #'       df <- isolate(rv$df)
@@ -109,17 +109,17 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
 #'       )
 #'       rv$df <- df
 #'     })
-#'     
+#'
 #'     output$chart <- renderApexchart({
 #'       # Generate chart once
-#'       apex(isolate(rv$df), aes(date, values), "spline") %>% 
+#'       apex(isolate(rv$df), aes(date, values), "spline") %>%
 #'         ax_xaxis(
 #'           range = 10 * 24 * 60 * 60 * 1000
 #'           # Fixed range for x-axis : 10 days
 #'           # days*hours*minutes*seconds*milliseconds
 #'         )
 #'     })
-#'     
+#'
 #'     observe({
 #'       # Update chart to add new data
 #'       apexchartProxy("chart") %>%
@@ -128,24 +128,24 @@ apexchartProxy <- function(shinyId, session = shiny::getDefaultReactiveDomain())
 #'           T
 #'         )
 #'     })
-#'     
+#'
 #'   }
-#'   
+#'
 #'   shinyApp(ui, server)
 #' }
-#' 
+#'
 ax_proxy_series <- function(proxy, newSeries, animate = TRUE) {
   .ax_proxy2(
-    proxy = proxy, 
-    name = "series", 
+    proxy = proxy,
+    name = "series",
     l = list(newSeries = newSeries, animate = animate)
   )
 }
 
 
 
-#' @title Proxy for updating options 
-#' 
+#' @title Proxy for updating options
+#'
 #' @description Allows you to update the configuration object.
 #'
 #' @param proxy A \code{apexchartProxy} \code{htmlwidget} object.
@@ -153,11 +153,13 @@ ax_proxy_series <- function(proxy, newSeries, animate = TRUE) {
 #'
 #' @export
 #'
+#' @importFrom htmlwidgets JSEvals
+#'
 #' @examples
-#' 
+#'
 #' if (interactive()) {
 #'   library(shiny)
-#'   
+#'
 #'   ui <- fluidPage(
 #'     fluidRow(
 #'       column(
@@ -176,20 +178,20 @@ ax_proxy_series <- function(proxy, newSeries, animate = TRUE) {
 #'     )
 #'   )
 #'   server <- function(input, output, session) {
-#'     
+#'
 #'     output$chart <- renderApexchart({
 #'       apexchart() %>%
-#'         ax_chart(type = "bar") %>% 
+#'         ax_chart(type = "bar") %>%
 #'         ax_series(list(
 #'           name = "Example",
 #'           data = c(23, 43, 76, 31)
-#'         )) %>% 
+#'         )) %>%
 #'         ax_xaxis(
 #'           categories = c("Label A", "Label B",
 #'                          "Label C", "Label D")
 #'         )
 #'     })
-#'     
+#'
 #'     observe({
 #'       apexchartProxy("chart") %>%
 #'         ax_proxy_options(list(
@@ -201,17 +203,17 @@ ax_proxy_series <- function(proxy, newSeries, animate = TRUE) {
 #'           )
 #'         ))
 #'     })
-#'     
+#'
 #'   }
-#'   
+#'
 #'   shinyApp(ui, server)
 #' }
-#' 
+#'
 ax_proxy_options <- function(proxy, options) {
   .ax_proxy2(
-    proxy = proxy, 
-    name = "options", 
-    l = list(options = options)
+    proxy = proxy,
+    name = "options",
+    l = list(options = options, evals = JSEvals(options))
   )
 }
 
@@ -232,8 +234,8 @@ ax_proxy_options <- function(proxy, options) {
 #' @example examples/proxy-toggle.R
 ax_proxy_toggle_series <- function(proxy, series_name) {
   .ax_proxy2(
-    proxy = proxy, 
-    name = "toggle-series", 
+    proxy = proxy,
+    name = "toggle-series",
     l = list(seriesName = list1(series_name))
   )
 }
diff --git a/inst/htmlwidgets/apexcharter.js b/inst/htmlwidgets/apexcharter.js
index f4b1f3b..7548d5e 100644
--- a/inst/htmlwidgets/apexcharter.js
+++ b/inst/htmlwidgets/apexcharter.js
@@ -4,7 +4,7 @@
  * https://github.com/dreamRs/apexcharter
  *
  */
- 
+
 /*global HTMLWidgets, ApexCharts, Shiny */
 
 /// Functions
@@ -19,14 +19,14 @@ var apexcharter = {
     }
     return widgetObj;
   },
-  
+
   isSingleSerie: function(options) {
     var typeLabels = ["pie", "radialBar", "donut"];
     var lab = typeLabels.indexOf(options.w.config.chart.type) > -1;
     var single = options.w.config.series.length === 1;
     return lab | single;
   },
-  
+
   isDatetimeAxis: function(chartContext) {
     if (
       chartContext.hasOwnProperty("w") &&
@@ -39,7 +39,7 @@ var apexcharter = {
       return false;
     }
   },
-  
+
   getSelection: function(chartContext, selectedDataPoints, serieIndex) {
     var typeLabels = ["pie", "radialBar", "donut"];
     var typeXY = ["scatter", "bubble"];
@@ -79,7 +79,7 @@ var apexcharter = {
     }
     return selected;
   },
-  
+
   getYaxis: function(axis) {
     var yzoom = { min: null, max: null };
     if (typeof axis.yaxis !== "undefined" && axis.yaxis !== null) {
@@ -98,7 +98,7 @@ var apexcharter = {
     }
     return yzoom;
   },
-  
+
   getXaxis: function(axis) {
     var xzoom = { min: null, max: null };
     if (typeof axis.xaxis !== "undefined") {
@@ -112,7 +112,7 @@ var apexcharter = {
     }
     return xzoom;
   },
-  
+
   exportChart: function(x, chart) {
     if (x.hasOwnProperty("shinyEvents") & HTMLWidgets.shinyMode) {
       if (x.shinyEvents.hasOwnProperty("export")) {
@@ -332,10 +332,16 @@ if (HTMLWidgets.shinyMode) {
   Shiny.addCustomMessageHandler("update-apexchart-options", function(obj) {
     var chart = apexcharter.getWidget(obj.id);
     if (typeof chart != "undefined") {
-      chart.updateOptions(obj.data.options);
+      var options = obj.data.options;
+      var evals = obj.data.evals;
+      if (!(evals instanceof Array)) evals = [evals];
+      for (var k = 0; evals && k < evals.length; k++) {
+          window.HTMLWidgets.evaluateStringMember(options, evals[k]);
+      }
+      chart.updateOptions(options);
     }
   });
-  
+
   // toggle series
   Shiny.addCustomMessageHandler("update-apexchart-toggle-series", function(obj) {
     var chart = apexcharter.getWidget(obj.id);
diff --git a/man/ax_proxy_options.Rd b/man/ax_proxy_options.Rd
index b7684b5..c74da96 100644
--- a/man/ax_proxy_options.Rd
+++ b/man/ax_proxy_options.Rd
@@ -18,7 +18,7 @@ Allows you to update the configuration object.
 
 if (interactive()) {
   library(shiny)
-  
+
   ui <- fluidPage(
     fluidRow(
       column(
@@ -37,20 +37,20 @@ if (interactive()) {
     )
   )
   server <- function(input, output, session) {
-    
+
     output$chart <- renderApexchart({
       apexchart() \%>\%
-        ax_chart(type = "bar") \%>\% 
+        ax_chart(type = "bar") \%>\%
         ax_series(list(
           name = "Example",
           data = c(23, 43, 76, 31)
-        )) \%>\% 
+        )) \%>\%
         ax_xaxis(
           categories = c("Label A", "Label B",
                          "Label C", "Label D")
         )
     })
-    
+
     observe({
       apexchartProxy("chart") \%>\%
         ax_proxy_options(list(
@@ -62,9 +62,9 @@ if (interactive()) {
           )
         ))
     })
-    
+
   }
-  
+
   shinyApp(ui, server)
 }
 
diff --git a/man/ax_proxy_series.Rd b/man/ax_proxy_series.Rd
index 166f693..b97c22b 100644
--- a/man/ax_proxy_series.Rd
+++ b/man/ax_proxy_series.Rd
@@ -20,7 +20,7 @@ Allows you to update the series array overriding the existing one.
 
 if (interactive()) {
   library(shiny)
-  
+
   ui <- fluidPage(
     fluidRow(
       column(
@@ -30,15 +30,15 @@ if (interactive()) {
       )
     )
   )
-  
+
   server <- function(input, output, session) {
-    
+
     rv <- reactiveValues()
     rv$df <- data.frame(
       date = Sys.Date() + 1:20,
       values = sample(10:90, 20, TRUE)
     )
-    
+
     observe({
       invalidateLater(1000, session)
       df <- isolate(rv$df)
@@ -51,17 +51,17 @@ if (interactive()) {
       )
       rv$df <- df
     })
-    
+
     output$chart <- renderApexchart({
       # Generate chart once
-      apex(isolate(rv$df), aes(date, values), "spline") \%>\% 
+      apex(isolate(rv$df), aes(date, values), "spline") \%>\%
         ax_xaxis(
           range = 10 * 24 * 60 * 60 * 1000
           # Fixed range for x-axis : 10 days
           # days*hours*minutes*seconds*milliseconds
         )
     })
-    
+
     observe({
       # Update chart to add new data
       apexchartProxy("chart") \%>\%
@@ -70,9 +70,9 @@ if (interactive()) {
           T
         )
     })
-    
+
   }
-  
+
   shinyApp(ui, server)
 }