diff --git a/plugins/openapi-router/.eslintrc.js b/plugins/openapi-utils/.eslintrc.js
similarity index 100%
rename from plugins/openapi-router/.eslintrc.js
rename to plugins/openapi-utils/.eslintrc.js
diff --git a/plugins/openapi-router/README.md b/plugins/openapi-utils/README.md
similarity index 100%
rename from plugins/openapi-router/README.md
rename to plugins/openapi-utils/README.md
diff --git a/plugins/openapi-router/api-report.md b/plugins/openapi-utils/api-report.md
similarity index 98%
rename from plugins/openapi-router/api-report.md
rename to plugins/openapi-utils/api-report.md
index 28a32cd4af..a51fd8e4f7 100644
--- a/plugins/openapi-router/api-report.md
+++ b/plugins/openapi-utils/api-report.md
@@ -1,4 +1,4 @@
-## API Report File for "@backstage/plugin-openapi-router"
+## API Report File for "@backstage/backend-openapi-utils"
 
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
@@ -275,6 +275,9 @@ export type ImmutableReferenceObject = ImmutableObject<ReferenceObject>;
 // @public (undocumented)
 export type ImmutableRequestBodyObject = ImmutableObject<RequestBodyObject>;
 
+// @public (undocumented)
+export type ImmutableResponseObject = ImmutableObject<ResponseObject>;
+
 // @public (undocumented)
 export type ImmutableSchemaObject = ImmutableObject<SchemaObject>;
 
@@ -505,7 +508,7 @@ type Response_2<
   Doc,
   Path,
   Method
->['responses'][StatusCode] extends ReferenceObject
+>['responses'][StatusCode] extends ImmutableReferenceObject
   ? 'responses' extends ComponentTypes<Doc>
     ? ComponentRef<
         Doc,
@@ -539,7 +542,7 @@ export type Responses<
 // @public (undocumented)
 export type ResponseSchema<
   Doc extends RequiredDoc,
-  Object extends ResponseObject,
+  Object extends ImmutableResponseObject,
 > = ObjectWithContentSchema<Doc, Object>;
 
 // @public (undocumented)
@@ -552,7 +555,7 @@ export type ResponseSchemas<
     Doc,
     DocPath<Doc, Path>,
     Method
-  >[StatusCode] extends ResponseObject
+  >[StatusCode] extends ImmutableResponseObject
     ? ResponseSchema<
         Doc,
         Responses<Doc, DocPath<Doc, Path>, Method>[StatusCode]
diff --git a/plugins/openapi-router/package.json b/plugins/openapi-utils/package.json
similarity index 100%
rename from plugins/openapi-router/package.json
rename to plugins/openapi-utils/package.json
diff --git a/plugins/openapi-router/src/example.ts b/plugins/openapi-utils/src/example.ts
similarity index 100%
rename from plugins/openapi-router/src/example.ts
rename to plugins/openapi-utils/src/example.ts
diff --git a/plugins/openapi-router/src/index.ts b/plugins/openapi-utils/src/index.ts
similarity index 100%
rename from plugins/openapi-router/src/index.ts
rename to plugins/openapi-utils/src/index.ts
diff --git a/plugins/openapi-router/src/router.ts b/plugins/openapi-utils/src/router.ts
similarity index 100%
rename from plugins/openapi-router/src/router.ts
rename to plugins/openapi-utils/src/router.ts
diff --git a/plugins/openapi-router/src/schema/petstore.ts b/plugins/openapi-utils/src/schema/petstore.ts
similarity index 100%
rename from plugins/openapi-router/src/schema/petstore.ts
rename to plugins/openapi-utils/src/schema/petstore.ts
diff --git a/plugins/openapi-router/src/setupTests.ts b/plugins/openapi-utils/src/setupTests.ts
similarity index 100%
rename from plugins/openapi-router/src/setupTests.ts
rename to plugins/openapi-utils/src/setupTests.ts
diff --git a/plugins/openapi-router/src/types/common.ts b/plugins/openapi-utils/src/types/common.ts
similarity index 100%
rename from plugins/openapi-router/src/types/common.ts
rename to plugins/openapi-utils/src/types/common.ts
diff --git a/plugins/openapi-router/src/types/express.ts b/plugins/openapi-utils/src/types/express.ts
similarity index 100%
rename from plugins/openapi-router/src/types/express.ts
rename to plugins/openapi-utils/src/types/express.ts
diff --git a/plugins/openapi-router/src/types/immutable.ts b/plugins/openapi-utils/src/types/immutable.ts
similarity index 100%
rename from plugins/openapi-router/src/types/immutable.ts
rename to plugins/openapi-utils/src/types/immutable.ts
diff --git a/plugins/openapi-router/src/types/index.ts b/plugins/openapi-utils/src/types/index.ts
similarity index 100%
rename from plugins/openapi-router/src/types/index.ts
rename to plugins/openapi-utils/src/types/index.ts
diff --git a/plugins/openapi-router/src/types/params.ts b/plugins/openapi-utils/src/types/params.ts
similarity index 100%
rename from plugins/openapi-router/src/types/params.ts
rename to plugins/openapi-utils/src/types/params.ts
diff --git a/plugins/openapi-router/src/types/requests.ts b/plugins/openapi-utils/src/types/requests.ts
similarity index 100%
rename from plugins/openapi-router/src/types/requests.ts
rename to plugins/openapi-utils/src/types/requests.ts
diff --git a/plugins/openapi-router/src/types/responses.ts b/plugins/openapi-utils/src/types/responses.ts
similarity index 100%
rename from plugins/openapi-router/src/types/responses.ts
rename to plugins/openapi-utils/src/types/responses.ts
diff --git a/yarn.lock b/yarn.lock
index e0fb52c28e..0069effc02 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3929,9 +3929,9 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@backstage/backend-openapi-utils@workspace:^, @backstage/backend-openapi-utils@workspace:plugins/openapi-router":
+"@backstage/backend-openapi-utils@workspace:^, @backstage/backend-openapi-utils@workspace:plugins/openapi-utils":
   version: 0.0.0-use.local
-  resolution: "@backstage/backend-openapi-utils@workspace:plugins/openapi-router"
+  resolution: "@backstage/backend-openapi-utils@workspace:plugins/openapi-utils"
   dependencies:
     "@backstage/backend-common": "workspace:^"
     "@backstage/cli": "workspace:^"