diff --git a/dev-helpers/index.html b/dev-helpers/index.html
index f9161c82..1568962d 100644
--- a/dev-helpers/index.html
+++ b/dev-helpers/index.html
@@ -34,8 +34,8 @@
 <body>
   <div id="swagger-ui"></div>
 
-  <script src="./swagger-ui-bundle.js"> </script>
-  <script src="./swagger-ui-standalone-preset.js"> </script>
+  <script src="./swagger-ui-bundle.js" charset="UTF-8"> </script>
+  <script src="./swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
   <script>
     window.onload = function() {
       window["SwaggerUIBundle"] = window["swagger-ui-bundle"]
diff --git a/dist/index.html b/dist/index.html
index 32169e36..84d449f2 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -33,8 +33,8 @@
   <body>
     <div id="swagger-ui"></div>
 
-    <script src="./swagger-ui-bundle.js"> </script>
-    <script src="./swagger-ui-standalone-preset.js"> </script>
+    <script src="./swagger-ui-bundle.js" charset="UTF-8"> </script>
+    <script src="./swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
     <script>
     window.onload = function() {
       // Begin Swagger UI call region
diff --git a/docs/usage/installation.md b/docs/usage/installation.md
index 201d3f2f..741504b5 100644
--- a/docs/usage/installation.md
+++ b/docs/usage/installation.md
@@ -90,7 +90,7 @@ For more information on controlling Swagger UI through the Docker image, see the
 You can embed Swagger UI's code directly in your HTML by using unpkg's interface:
 
 ```html
-<script src="https://unpkg.com/swagger-ui-dist@3/swagger-ui-bundle.js"></script>
+<script src="https://unpkg.com/swagger-ui-dist@3/swagger-ui-bundle.js" charset="UTF-8"></script>
 <!-- `SwaggerUIBundle` is now available on the page -->
 ```
 
@@ -98,4 +98,4 @@ See [unpkg's main page](https://unpkg.com/) for more information on how to use u
 
 ### Static files without HTTP or HTML
 
-Once swagger-ui has successfully generated the `/dist` directory, you can copy this to your own file system and host from there. 
\ No newline at end of file
+Once swagger-ui has successfully generated the `/dist` directory, you can copy this to your own file system and host from there. 
diff --git a/test/e2e-cypress/static/index.html b/test/e2e-cypress/static/index.html
index 2782d0cf..6b344458 100644
--- a/test/e2e-cypress/static/index.html
+++ b/test/e2e-cypress/static/index.html
@@ -32,8 +32,8 @@
 
 <div id="swagger-ui"></div>
 
-<script src="./swagger-ui-bundle.js"> </script>
-<script src="./swagger-ui-standalone-preset.js"> </script>
+<script src="./swagger-ui-bundle.js" charset="UTF-8"> </script>
+<script src="./swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
 <script>
   window.onload = function() {
     window["SwaggerUIBundle"] = window["swagger-ui-bundle"]
diff --git a/test/e2e-cypress/static/pages/5138/index.html b/test/e2e-cypress/static/pages/5138/index.html
index 3b25d093..e0bb7b41 100644
--- a/test/e2e-cypress/static/pages/5138/index.html
+++ b/test/e2e-cypress/static/pages/5138/index.html
@@ -31,8 +31,8 @@
 
   <div id="swagger-ui"></div>
 
-  <script src="/swagger-ui-bundle.js"> </script>
-  <script src="/swagger-ui-standalone-preset.js"> </script>
+  <script src="/swagger-ui-bundle.js" charset="UTF-8"> </script>
+  <script src="/swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
   <script>
     window.onload = function () {
       window["SwaggerUIBundle"] = window["swagger-ui-bundle"]
@@ -73,4 +73,4 @@
   </script>
 </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/test/e2e-selenium/static/index.html b/test/e2e-selenium/static/index.html
index cdcf83da..6feeac23 100644
--- a/test/e2e-selenium/static/index.html
+++ b/test/e2e-selenium/static/index.html
@@ -66,8 +66,8 @@
 
 <div id="swagger-ui"></div>
 
-<script src="./swagger-ui-bundle.js"> </script>
-<script src="./swagger-ui-standalone-preset.js"> </script>
+<script src="./swagger-ui-bundle.js" charset="UTF-8"> </script>
+<script src="./swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
 <script>
   window.onload = function() {
     window["SwaggerUIBundle"] = window["swagger-ui-bundle"]
