diff --git a/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java b/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java
index 8dbf3f8..3862adb 100644
--- a/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java
+++ b/src/main/java/dev/dinauer/oidcproxy/ProxyResource.java
@@ -54,7 +54,7 @@ public class ProxyResource
     }
 
     @Route(path = "/*", order = 1)
-    public void proxy(@Context RoutingContext context)
+    public void proxy(@Context RoutingContext context, byte[] body)
     {
         List<String> requestSegments = Arrays.stream(context.request().path().split("/")).filter(item -> !StringUtils.isBlank(item)).toList();
 
@@ -65,7 +65,7 @@ public class ProxyResource
             LOG.info("Matched route with target '{}'", route.target());
             try
             {
-                HttpResponse<byte[]> response = forward(context.request().headers(), context.request().method(), route.strategy(), extractSession(context.request().cookies()), route.target(), concat(dropRoute(route.segments(), requestSegments)));
+                HttpResponse<byte[]> response = forward(context.request().headers(), context.request().method(), body, route.strategy(), extractSession(context.request().cookies()), route.target(), concat(dropRoute(route.segments(), requestSegments)));
                 ResponseHandler.success(context, response);
             }
             catch (Exception e)
@@ -81,9 +81,9 @@ public class ProxyResource
         }
     }
 
-    public HttpResponse<byte[]> forward(MultiMap headers, HttpMethod method, String strategy, String auth, String forwardRoot, String forwardPath) throws IOException, InterruptedException
+    public HttpResponse<byte[]> forward(MultiMap headers, HttpMethod method, byte[] body, String strategy, String auth, String forwardRoot, String forwardPath) throws IOException, InterruptedException
     {
-        HttpRequest.Builder builder = HttpRequest.newBuilder().method(method.name(), HttpRequest.BodyPublishers.noBody()).uri(URI.create(forwardRoot + "/" + forwardPath));
+        HttpRequest.Builder builder = HttpRequest.newBuilder().method(method.name(), HttpRequest.BodyPublishers.ofByteArray(body)).uri(URI.create(forwardRoot + "/" + forwardPath));
         for (Map.Entry<String, String> entry : headers.entries())
         {
             try