diff --git a/DESCRIPTION b/DESCRIPTION
index 6c8abbd..2a8db9d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -27,6 +27,6 @@ Imports:
     crayon,
     rstudioapi,
     stringi
-RoxygenNote: 7.1.0
+RoxygenNote: 7.2.3
 LinkingTo: 
     Rcpp
diff --git a/R/file_stream_server.R b/R/file_stream_server.R
index abfa98f..5e293bf 100644
--- a/R/file_stream_server.R
+++ b/R/file_stream_server.R
@@ -37,13 +37,19 @@ lc_server <- R6::R6Class(
 )
 
 
-file_stream_server = function(host, port, file, file_id, interval = 3, template = "prism") {
+file_stream_server = function(host, port, file, file_id, interval = 3, template = "prism", upgrade_content_security_policy) {
   port = as.integer(port)
   file_cache = file_cache(file)
+  if (upgrade_content_security_policy == TRUE){
+    content_security_policy = '<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">'
+  } else {
+    content_security_policy = ""
+  }
   page = glue::glue(
     readr::read_file(get_template(template)),
     lang = "r",
-    title = file
+    title = file,
+    meta = content_security_policy
   )
 
   get_next_ws_id = local({
@@ -157,6 +163,7 @@ lc_server_iface = R6::R6Class(
     interval = NULL,
     bitly_url = NULL,
     server = NULL,
+    upgrade_content_security_policy = NULL,
 
     init_file = function(file, auto_save) {
 
@@ -271,9 +278,11 @@ lc_server_iface = R6::R6Class(
     #' @param bitly should a bitly bit link be created for the server.
     #' @param auto_save should the broadcast file be auto saved update tic.
     #' @param open_browser should a browser session be opened.
+    #' @param upgrade_content_security_policy should insecure requests be upgraded.
     initialize = function(
       file, ip, port, interval = 2,
-      bitly = FALSE, auto_save = TRUE, open_browser = TRUE
+      bitly = FALSE, auto_save = TRUE, open_browser = TRUE,
+      upgrade_content_security_policy = FALSE
     ) {
       private$init_file(file, auto_save)
       private$init_ip(ip)
@@ -281,6 +290,8 @@ lc_server_iface = R6::R6Class(
 
       private$template = "prism"
       private$interval = interval
+      private$upgrade_content_security_policy = 
+        upgrade_content_security_policy
       self$start()
 
       if (bitly)
@@ -329,10 +340,9 @@ lc_server_iface = R6::R6Class(
                         ...,
                         parse_md = TRUE) {
       if (parse_md) {
-        text = markdown::markdownToHTML(
+        text = markdown::mark_html(
           text = text,
-          fragment.only = TRUE,
-          extensions = markdown::markdownExtensions()
+          template = FALSE
         )
       } else {
         text = paste(text, collapse = "\n")
@@ -368,7 +378,9 @@ lc_server_iface = R6::R6Class(
     start = function() {
       private$server = file_stream_server(
         private$ip, private$port, private$file, private$file_id,
-        template = private$template, interval = private$interval
+        template = private$template, interval = private$interval,
+        upgrade_content_security_policy = 
+          private$upgrade_content_security_policy
       )
 
       usethis::ui_done( paste(
@@ -442,16 +454,20 @@ lc_server_iface = R6::R6Class(
 #' @param bitly should a bitly bit link be created for the server.
 #' @param auto_save should the broadcast file be auto saved during each update tic.
 #' @param open_browser should a browser session be opened.
+#' @param upgrade_content_security_policy should insecure requests be upgraded.
 #'
 #' @export
 
 serve_file = function(file, ip, port, interval = 1,
                       bitly = FALSE, auto_save = TRUE,
-                      open_browser = TRUE) {
+                      open_browser = TRUE, 
+                      upgrade_content_security_policy = FALSE) {
   server = lc_server_iface$new(file = file, ip = ip,
                                port = port, interval = interval,
                                bitly = bitly, auto_save = auto_save,
-                               open_browser = open_browser)
+                               open_browser = open_browser,
+                               upgrade_content_security_policy = 
+                                 upgrade_content_security_policy)
 
   welcome_msg = c(
     "## Welcome to `livecode`!",
diff --git a/inst/templates/prism.html b/inst/templates/prism.html
index 64c00d0..5c68c7f 100644
--- a/inst/templates/prism.html
+++ b/inst/templates/prism.html
@@ -3,6 +3,8 @@
   <head>
     <title>{title}</title>
 
+    {meta}
+
     <link href="web/progressbar/progressbar.css" rel="stylesheet" />
     <script src="web/progressbar/progressbar.min.js"></script>
 
diff --git a/man/file_stream_server.Rd b/man/file_stream_server.Rd
index 5989f10..9ebd20c 100644
--- a/man/file_stream_server.Rd
+++ b/man/file_stream_server.Rd
@@ -4,7 +4,15 @@
 \alias{file_stream_server}
 \title{Content-Type' = 'text/html'}
 \usage{
-file_stream_server(host, port, file, file_id, interval = 3, template = "prism")
+file_stream_server(
+  host,
+  port,
+  file,
+  file_id,
+  interval = 3,
+  template = "prism",
+  upgrade_content_security_policy
+)
 }
 \description{
 Content-Type' = 'text/html'
diff --git a/man/lc_server_iface.Rd b/man/lc_server_iface.Rd
index 6703c93..78cbb5e 100644
--- a/man/lc_server_iface.Rd
+++ b/man/lc_server_iface.Rd
@@ -20,19 +20,19 @@ The interface also provides additional tools for sending messages.
 \section{Methods}{
 \subsection{Public methods}{
 \itemize{
-\item \href{#method-new}{\code{lc_server_iface$new()}}
-\item \href{#method-open}{\code{lc_server_iface$open()}}
-\item \href{#method-print}{\code{lc_server_iface$print()}}
-\item \href{#method-send_msg}{\code{lc_server_iface$send_msg()}}
-\item \href{#method-is_running}{\code{lc_server_iface$is_running()}}
-\item \href{#method-start}{\code{lc_server_iface$start()}}
-\item \href{#method-stop}{\code{lc_server_iface$stop()}}
-\item \href{#method-restart}{\code{lc_server_iface$restart()}}
+\item \href{#method-LiveCodeServer_Interface-new}{\code{lc_server_iface$new()}}
+\item \href{#method-LiveCodeServer_Interface-open}{\code{lc_server_iface$open()}}
+\item \href{#method-LiveCodeServer_Interface-print}{\code{lc_server_iface$print()}}
+\item \href{#method-LiveCodeServer_Interface-send_msg}{\code{lc_server_iface$send_msg()}}
+\item \href{#method-LiveCodeServer_Interface-is_running}{\code{lc_server_iface$is_running()}}
+\item \href{#method-LiveCodeServer_Interface-start}{\code{lc_server_iface$start()}}
+\item \href{#method-LiveCodeServer_Interface-stop}{\code{lc_server_iface$stop()}}
+\item \href{#method-LiveCodeServer_Interface-restart}{\code{lc_server_iface$restart()}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-new"></a>}}
-\if{latex}{\out{\hypertarget{method-new}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-new"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-new}{}}}
 \subsection{Method \code{new()}}{
 Creates a new livecode server
 \subsection{Usage}{
@@ -43,7 +43,8 @@ Creates a new livecode server
   interval = 2,
   bitly = FALSE,
   auto_save = TRUE,
-  open_browser = TRUE
+  open_browser = TRUE,
+  upgrade_content_security_policy = FALSE
 )}\if{html}{\out{</div>}}
 }
 
@@ -63,13 +64,15 @@ Creates a new livecode server
 \item{\code{auto_save}}{should the broadcast file be auto saved update tic.}
 
 \item{\code{open_browser}}{should a browser session be opened.}
+
+\item{\code{upgrade_content_security_policy}}{should insecure requests be upgraded.}
 }
 \if{html}{\out{</div>}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-open"></a>}}
-\if{latex}{\out{\hypertarget{method-open}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-open"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-open}{}}}
 \subsection{Method \code{open()}}{
 Open server in browser
 \subsection{Usage}{
@@ -78,8 +81,8 @@ Open server in browser
 
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-print"></a>}}
-\if{latex}{\out{\hypertarget{method-print}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-print"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-print}{}}}
 \subsection{Method \code{print()}}{
 Class print method
 \subsection{Usage}{
@@ -88,8 +91,8 @@ Class print method
 
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-send_msg"></a>}}
-\if{latex}{\out{\hypertarget{method-send_msg}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-send_msg"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-send_msg}{}}}
 \subsection{Method \code{send_msg()}}{
 Send a noty message to all connected users on the next update tic.
 \subsection{Usage}{
@@ -122,8 +125,8 @@ Send a noty message to all connected users on the next update tic.
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-is_running"></a>}}
-\if{latex}{\out{\hypertarget{method-is_running}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-is_running"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-is_running}{}}}
 \subsection{Method \code{is_running()}}{
 Determine if the server is running.
 \subsection{Usage}{
@@ -135,8 +138,8 @@ Returns `TRUE` if the server is running.
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-start"></a>}}
-\if{latex}{\out{\hypertarget{method-start}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-start"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-start}{}}}
 \subsection{Method \code{start()}}{
 Start the server
 \subsection{Usage}{
@@ -145,8 +148,8 @@ Start the server
 
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-stop"></a>}}
-\if{latex}{\out{\hypertarget{method-stop}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-stop"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-stop}{}}}
 \subsection{Method \code{stop()}}{
 Stop the server
 \subsection{Usage}{
@@ -162,8 +165,8 @@ Stop the server
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-restart"></a>}}
-\if{latex}{\out{\hypertarget{method-restart}{}}}
+\if{html}{\out{<a id="method-LiveCodeServer_Interface-restart"></a>}}
+\if{latex}{\out{\hypertarget{method-LiveCodeServer_Interface-restart}{}}}
 \subsection{Method \code{restart()}}{
 Restart the server
 \subsection{Usage}{
diff --git a/man/serve_file.Rd b/man/serve_file.Rd
index e35edf1..97513d6 100644
--- a/man/serve_file.Rd
+++ b/man/serve_file.Rd
@@ -11,7 +11,8 @@ serve_file(
   interval = 1,
   bitly = FALSE,
   auto_save = TRUE,
-  open_browser = TRUE
+  open_browser = TRUE,
+  upgrade_content_security_policy = FALSE
 )
 }
 \arguments{
@@ -28,6 +29,8 @@ serve_file(
 \item{auto_save}{should the broadcast file be auto saved during each update tic.}
 
 \item{open_browser}{should a browser session be opened.}
+
+\item{upgrade_content_security_policy}{should insecure requests be upgraded.}
 }
 \description{
 Create a livecode server for broadcasting a file
diff --git a/src/RcppExports.cpp b/src/RcppExports.cpp
index a944df3..14b2d44 100644
--- a/src/RcppExports.cpp
+++ b/src/RcppExports.cpp
@@ -5,6 +5,11 @@
 
 using namespace Rcpp;
 
+#ifdef RCPP_USE_GLOBAL_ROSTREAM
+Rcpp::Rostream<true>&  Rcpp::Rcout = Rcpp::Rcpp_cout_get();
+Rcpp::Rostream<false>& Rcpp::Rcerr = Rcpp::Rcpp_cerr_get();
+#endif
+
 // get_ipv4
 Rcpp::CharacterVector get_ipv4();
 RcppExport SEXP _livecode_get_ipv4() {