diff --git a/src/main/openapi/onecx-welcome-internal-openapi.yaml b/src/main/openapi/onecx-welcome-internal-openapi.yaml
index 149cac3..b0a532b 100644
--- a/src/main/openapi/onecx-welcome-internal-openapi.yaml
+++ b/src/main/openapi/onecx-welcome-internal-openapi.yaml
@@ -114,7 +114,7 @@ paths:
           required: true
           schema:
             minimum: 1
-            maximum: 110000
+            maximum: 1100000
             type: integer
       requestBody:
         content:
@@ -164,7 +164,7 @@ paths:
           required: true
           schema:
             minimum: 1
-            maximum: 110000
+            maximum: 1100000
             type: integer
       requestBody:
         content:
diff --git a/src/test/java/org/tkit/onecx/welcome/rs/internal/controllers/ImageInternalRestControllerTest.java b/src/test/java/org/tkit/onecx/welcome/rs/internal/controllers/ImageInternalRestControllerTest.java
index 1011f7b..cc49c25 100644
--- a/src/test/java/org/tkit/onecx/welcome/rs/internal/controllers/ImageInternalRestControllerTest.java
+++ b/src/test/java/org/tkit/onecx/welcome/rs/internal/controllers/ImageInternalRestControllerTest.java
@@ -297,7 +297,7 @@ void getAllImageInfosTest() {
     @Test
     void testMaxUploadSize() {
 
-        byte[] body = new byte[110001];
+        byte[] body = new byte[1100001];
         new Random().nextBytes(body);
 
         var exception = given()
@@ -311,7 +311,7 @@ void testMaxUploadSize() {
 
         assertThat(exception.getErrorCode()).isEqualTo(CONSTRAINT_VIOLATIONS.name());
         assertThat(exception.getDetail()).isEqualTo(
-                "createImage.contentLength: must be less than or equal to 110000");
+                "createImage.contentLength: must be less than or equal to 1100000");
 
     }