diff --git a/org.apache.sling.graphql.samples.website/pom.xml b/org.apache.sling.graphql.samples.website/pom.xml
index c463bd9..b18b79c 100644
--- a/org.apache.sling.graphql.samples.website/pom.xml
+++ b/org.apache.sling.graphql.samples.website/pom.xml
@@ -105,7 +105,7 @@
     <dependency>
       <groupId>org.apache.sling</groupId>
       <artifactId>org.apache.sling.servlet-helpers</artifactId>
-      <version>1.3.0</version>
+      <version>1.4.0-SNAPSHOT</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
diff --git a/org.apache.sling.graphql.samples.website/src/main/java/org/apache/sling/scripting/handlebars/HandlebarsScriptEngine.java b/org.apache.sling.graphql.samples.website/src/main/java/org/apache/sling/scripting/handlebars/HandlebarsScriptEngine.java
index eb79f20..bd063ae 100644
--- a/org.apache.sling.graphql.samples.website/src/main/java/org/apache/sling/scripting/handlebars/HandlebarsScriptEngine.java
+++ b/org.apache.sling.graphql.samples.website/src/main/java/org/apache/sling/scripting/handlebars/HandlebarsScriptEngine.java
@@ -40,8 +40,7 @@
 import org.apache.sling.api.resource.Resource;
 import org.apache.sling.api.resource.ResourceResolver;
 import org.apache.sling.api.scripting.SlingBindings;
-import org.apache.sling.servlethelpers.MockSlingHttpServletRequest;
-import org.apache.sling.servlethelpers.MockSlingHttpServletResponse;
+import org.apache.sling.servlethelpers.internalrequests.InternalRequest;
 
 /** Minimal script engine for server-side rendering
  *  using Handlebars templates. Might need some changes if
@@ -88,27 +87,20 @@
     /** We might do this with a BindingsValuesProvider? */
     private Map<?, ?> getData(Resource r) throws ScriptException {
         // Request resource.json and convert the result to Maps
-        final String jsonString = internalRequest(r.getResourceResolver(), r.getPath() + ".json");
-        return JsonReader.jsonToMaps(jsonString);
-    }
-
-    private String internalRequest(ResourceResolver resourceResolver, String path) throws ScriptException {
-        final MockSlingHttpServletRequest request = new MockSlingHttpServletRequest(resourceResolver);
-        request.setPathInfo(path);
-        final MockSlingHttpServletResponse response = new MockSlingHttpServletResponse();
-
+        String jsonString = null;
         try {
-            factory.getSlingRequestProcessor().processRequest(request, response, resourceResolver);
-            final int status = response.getStatus();
-            if(status != 200) {
-                throw new ScriptException ("Request to " + path + " returns HTTP status " + status);
-            }
-                return response.getOutputAsString();
+            jsonString = InternalRequest
+                .slingRequest(r.getResourceResolver(), factory.getSlingRequestProcessor(), r.getPath())
+                .withExtension("json")
+                .execute()
+                .getResponseAsString()
+            ;
         } catch(Exception e) {
             final ScriptException up = new ScriptException("Internal request failed");
             up.initCause(e);
             throw up;
         }
+        return JsonReader.jsonToMaps(jsonString);
     }
 
     @Override
diff --git a/org.apache.sling.graphql.samples.website/src/main/resources/features/feature-graphql-example-website.json b/org.apache.sling.graphql.samples.website/src/main/resources/features/feature-graphql-example-website.json
index 17d2a33..1874f74 100644
--- a/org.apache.sling.graphql.samples.website/src/main/resources/features/feature-graphql-example-website.json
+++ b/org.apache.sling.graphql.samples.website/src/main/resources/features/feature-graphql-example-website.json
@@ -23,7 +23,7 @@
     "org.antlr:antlr4-runtime:jar:4.7.2",
     "com.graphql-java:java-dataloader:jar:2.2.3",
     "org.reactivestreams:reactive-streams:jar:1.0.2",
-    "org.apache.sling:org.apache.sling.servlet-helpers:jar:1.3.0",
+    "org.apache.sling:org.apache.sling.servlet-helpers:jar:1.4.0-SNAPSHOT",
     "com.github.jknack:handlebars:4.2.0"
   ],
   "configurations":{