diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4278158..c79df18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Update swagger-ui version to 3.23.11 [#239](https://github.com/rswag/rswag/pull/239)
 - Rails constraint moved from < 6.1 to < 7 [#253](https://github.com/rswag/rswag/pull/253)
 - Swaggerize now outputs base RSpec text on completion to avoid silent failures [#293](https://github.com/rswag/rswag/pull/293)
+- Update swagger-ui version to 3.28.0
 
 ## [2.2.0] - 2019-11-01
 ### Added
diff --git a/README.md b/README.md
index fd3f05c..3b478b1 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Once you have an API that can describe itself in Swagger, you've opened the trea
 
 |Rswag Version|Swagger (OpenAPI) Spec.|swagger-ui|
 |----------|----------|----------|
-|[master](https://github.com/rswag/rswag/tree/master)|3.0.3|3.23.11|
+|[master](https://github.com/rswag/rswag/tree/master)|3.0.3|3.28.0|
 |[2.3.0](https://github.com/rswag/rswag/tree/2.3.0)|3.0.3|3.23.11|
 |[2.2.0](https://github.com/rswag/rswag/tree/2.2.0)|2.0|3.18.2|
 |[1.6.0](https://github.com/rswag/rswag/tree/1.6.0)|2.0|2.2.5|
@@ -900,4 +900,3 @@ docker run -d -p 80:8080 swaggerapi/swagger-editor
 ```
 This will run the swagger editor in the docker daemon and can be accessed 
 at ```http://localhost```. From here, you can use the UI to load the generated swagger.json to validate the output.
-
diff --git a/rswag-ui/package-lock.json b/rswag-ui/package-lock.json
index 8bc72e8..461291a 100644
--- a/rswag-ui/package-lock.json
+++ b/rswag-ui/package-lock.json
@@ -1,13 +1,11 @@
 {
   "name": "rswag-ui",
   "version": "1.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
   "dependencies": {
     "swagger-ui-dist": {
-      "version": "3.23.11",
-      "resolved": "https://registry.npmjs.org/swagger-ui-dist/-/swagger-ui-dist-3.23.11.tgz",
-      "integrity": "sha512-ipENHHH/sqpngTpHXUwg55eAOZ7b2UVayUwwuWPA6nQSPhjBVXX4zOPpNKUwQIFOl3oIwVvZF7mqoxH7pMgVzA=="
+      "version": "3.28.0",
+      "from": "swagger-ui-dist@3.28.0",
+      "resolved": "https://registry.npmjs.org/swagger-ui-dist/-/swagger-ui-dist-3.28.0.tgz"
     }
   }
 }
diff --git a/rswag-ui/package.json b/rswag-ui/package.json
index fd299d1..e52d561 100644
--- a/rswag-ui/package.json
+++ b/rswag-ui/package.json
@@ -3,6 +3,6 @@
   "version": "1.0.0",
   "private": true,
   "dependencies": {
-    "swagger-ui-dist": "3.23.11"
+    "swagger-ui-dist": "3.28.0"
   }
 }