diff --git a/pom.xml b/pom.xml
index 480c12b61..a0ee1347f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
 		<maven-release-plugin.version>3.3.1</maven-release-plugin.version>
 		<central-publishing-maven-plugin.version>0.11.0</central-publishing-maven-plugin.version>
 		<flatten-maven-plugin.version>1.7.3</flatten-maven-plugin.version>
-		<swagger-core.version>4.0.0</swagger-core.version>
+		<swagger-core.version>4.0.1</swagger-core.version>
 		<swagger-ui.version>5.32.11</swagger-ui.version>
 		<gmavenplus-plugin.version>5.1.0</gmavenplus-plugin.version>
 		<jjwt.version>0.13.0</jjwt.version>
diff --git a/springdoc-openapi-tests/springdoc-openapi-kotlin-webmvc-tests/src/test/resources/results/3.1.0/app25.json b/springdoc-openapi-tests/springdoc-openapi-kotlin-webmvc-tests/src/test/resources/results/3.1.0/app25.json
index 6c2900d02..f2443ac98 100644
--- a/springdoc-openapi-tests/springdoc-openapi-kotlin-webmvc-tests/src/test/resources/results/3.1.0/app25.json
+++ b/springdoc-openapi-tests/springdoc-openapi-kotlin-webmvc-tests/src/test/resources/results/3.1.0/app25.json
@@ -20,11 +20,70 @@
         "responses": {
           "200": {
             "description": "OK",
-            "content": {}
+            "content": {
+              "*/*": {
+                "schema": {
+                  "$ref": "#/components/schemas/OuterResponse"
+                }
+              }
+            }
           }
         }
       }
     }
   },
-  "components": {}
+  "components": {
+    "schemas": {
+      "NestedObject": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": [
+              "string",
+              "null"
+            ]
+          }
+        },
+        "required": [
+          "name"
+        ]
+      },
+      "OuterResponse": {
+        "type": "object",
+        "properties": {
+          "contractAddress": {
+            "type": "string"
+          },
+          "chainType": {
+            "type": "string",
+            "enum": [
+              "ETH"
+            ]
+          },
+          "nested": {
+            "type": "null",
+            "oneOf": [
+              {
+                "$ref": "#/components/schemas/NestedObject"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
+          "success": {
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "chainType",
+          "contractAddress",
+          "success"
+        ]
+      }
+    }
+  }
 }