diff --git a/README.md b/README.md
index 7ba44447616..89a68a87e9c 100644
--- a/README.md
+++ b/README.md
@@ -33,17 +33,17 @@ If you are looking for plain ol' HTML/JS/CSS, [download the latest release](http
 ## Compatibility
 The OpenAPI Specification has undergone 5 revisions since initial creation in 2010.  Compatibility between Swagger UI and the OpenAPI Specification is as follows:
 
-| Swagger UI Version | Release Date | OpenAPI Spec compatibility             | Notes                                                                 |
-|--------------------|--------------|----------------------------------------|-----------------------------------------------------------------------|
-| 5.0.0              | 2023-06-12   | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.1.0 | [tag v5.0.0](https://github.com/swagger-api/swagger-ui/tree/v5.0.0)   |
-| 4.0.0              | 2021-11-03   | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3        | [tag v4.0.0](https://github.com/swagger-api/swagger-ui/tree/v4.0.0)   |
-| 3.18.3             | 2018-08-03   | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3        | [tag v3.18.3](https://github.com/swagger-api/swagger-ui/tree/v3.18.3) |
-| 3.0.21             | 2017-07-26   | 2.0                                    | [tag v3.0.21](https://github.com/swagger-api/swagger-ui/tree/v3.0.21) |
-| 2.2.10             | 2017-01-04   | 1.1, 1.2, 2.0                          | [tag v2.2.10](https://github.com/swagger-api/swagger-ui/tree/v2.2.10) |
-| 2.1.5              | 2016-07-20   | 1.1, 1.2, 2.0                          | [tag v2.1.5](https://github.com/swagger-api/swagger-ui/tree/v2.1.5)   |
-| 2.0.24             | 2014-09-12   | 1.1, 1.2                               | [tag v2.0.24](https://github.com/swagger-api/swagger-ui/tree/v2.0.24) |
-| 1.0.13             | 2013-03-08   | 1.1, 1.2                               | [tag v1.0.13](https://github.com/swagger-api/swagger-ui/tree/v1.0.13) |
-| 1.0.1              | 2011-10-11   | 1.0, 1.1                               | [tag v1.0.1](https://github.com/swagger-api/swagger-ui/tree/v1.0.1)   |
+| Swagger UI Version | Release Date | OpenAPI Spec compatibility                           | Notes                                                                 |
+|--------------------|--------------|------------------------------------------------------|-----------------------------------------------------------------------|
+| 5.0.0              | 2023-06-12   | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.1.0, 3.1.1 | [tag v5.0.0](https://github.com/swagger-api/swagger-ui/tree/v5.0.0)   |
+| 4.0.0              | 2021-11-03   | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3                      | [tag v4.0.0](https://github.com/swagger-api/swagger-ui/tree/v4.0.0)   |
+| 3.18.3             | 2018-08-03   | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3                      | [tag v3.18.3](https://github.com/swagger-api/swagger-ui/tree/v3.18.3) |
+| 3.0.21             | 2017-07-26   | 2.0                                                  | [tag v3.0.21](https://github.com/swagger-api/swagger-ui/tree/v3.0.21) |
+| 2.2.10             | 2017-01-04   | 1.1, 1.2, 2.0                                        | [tag v2.2.10](https://github.com/swagger-api/swagger-ui/tree/v2.2.10) |
+| 2.1.5              | 2016-07-20   | 1.1, 1.2, 2.0                                        | [tag v2.1.5](https://github.com/swagger-api/swagger-ui/tree/v2.1.5)   |
+| 2.0.24             | 2014-09-12   | 1.1, 1.2                                             | [tag v2.0.24](https://github.com/swagger-api/swagger-ui/tree/v2.0.24) |
+| 1.0.13             | 2013-03-08   | 1.1, 1.2                                             | [tag v1.0.13](https://github.com/swagger-api/swagger-ui/tree/v1.0.13) |
+| 1.0.1              | 2011-10-11   | 1.0, 1.1                                             | [tag v1.0.1](https://github.com/swagger-api/swagger-ui/tree/v1.0.1)   |
 
 ## Anonymized analytics
 
diff --git a/src/core/plugins/oas3/helpers.jsx b/src/core/plugins/oas3/helpers.jsx
index 9d46eef5435..84b0ced37b8 100644
--- a/src/core/plugins/oas3/helpers.jsx
+++ b/src/core/plugins/oas3/helpers.jsx
@@ -8,7 +8,7 @@ export function isOAS30(jsSpec) {
 
   return (
     typeof oasVersion === "string" &&
-    /^3\.0\.([0123])(?:-rc[012])?$/.test(oasVersion)
+    /^3\.0\.([01234])(?:-rc[012])?$/.test(oasVersion)
   )
 }
 
diff --git a/test/unit/core/plugins/oas3/helpers.js b/test/unit/core/plugins/oas3/helpers.js
index 2ff68ad0f60..835af5c86bf 100644
--- a/test/unit/core/plugins/oas3/helpers.js
+++ b/test/unit/core/plugins/oas3/helpers.js
@@ -13,6 +13,7 @@ describe("isOAS3", function () {
   it("should recognize valid OAS3 version values", function () {
     expect(isOAS3Shorthand("3.0.0")).toEqual(true)
     expect(isOAS3Shorthand("3.0.1")).toEqual(true)
+    expect(isOAS3Shorthand("3.0.4")).toEqual(true)
     expect(isOAS3Shorthand("3.0.11111")).toEqual(false)
     expect(isOAS3Shorthand("3.0.0-rc0")).toEqual(true)
   })
diff --git a/test/unit/core/plugins/oas31/components/fn.js b/test/unit/core/plugins/oas31/components/fn.js
new file mode 100644
index 00000000000..f14420d9aae
--- /dev/null
+++ b/test/unit/core/plugins/oas31/components/fn.js
@@ -0,0 +1,15 @@
+import { fromJS } from "immutable"
+import { isOAS31 } from "core/plugins/oas31/fn";
+
+const isOAS31Shorthand = (version) => isOAS31(fromJS({
+  openapi: version
+}))
+
+describe("isOAS31", function () {
+  it("should recognize valid OAS31 version values", function () {
+    expect(isOAS31Shorthand("3.1.0")).toEqual(true)
+    expect(isOAS31Shorthand("3.1.1")).toEqual(true)
+    expect(isOAS31Shorthand("3.2.0")).toEqual(false)
+    expect(isOAS31Shorthand("3.0.0-rc0")).toEqual(false)
+  })
+});