diff --git a/Docs/extra.css b/Docs/extra.css
index d64c890d3..2413a64d9 100644
--- a/Docs/extra.css
+++ b/Docs/extra.css
@@ -244,3 +244,18 @@ table tbody td{
 	top: 70px;
 	left: 1100px;
 }
+
+/************************* LATEST WARNING BANNER **************************/
+
+.dev-version-warning {
+	padding-top: 15px;
+	padding-bottom: 15px;
+	padding-left: 15px;
+	padding-right: 15px;
+	margin-bottom: 8px;
+	color: #404040;
+	font-weight: bold;
+	background-color: #f55c47;
+	text-align: center;
+	border-radius: 5px;
+}
diff --git a/Docs/extra.js b/Docs/extra.js
new file mode 100644
index 000000000..1ca979e95
--- /dev/null
+++ b/Docs/extra.js
@@ -0,0 +1,10 @@
+$(document).ready(function () {
+    if(window.location.href.indexOf("latest") != -1) {
+        var banner = document.createElement("div");
+        banner.className = "dev-version-warning";
+        banner.innerHTML = "You are currently reading documentation for the \"dev\" branch of CARLA. This documentation refers to features currently in development and may result in unexpected behaviour. To read documentation for previous releases, select the desired version in the bottom, right-hand corner of the screen.";
+        var x = document.getElementsByClassName("section");
+        console.log(x)
+        x[0].insertBefore(banner,x[0].childNodes[0]);
+    }
+});
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index 53a8a567c..694d0dcbf 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -4,6 +4,7 @@ docs_dir: Docs
 edit_uri: 'edit/master/Docs/'
 theme: readthedocs
 extra_css: [extra.css]
+extra_javascript: [extra.js]
 
 nav:
 - Home: 'index.md'