diff --git a/package.json b/package.json
index 4bb88bf796..eca2f1d44f 100644
--- a/package.json
+++ b/package.json
@@ -135,6 +135,8 @@
   "devDependencies": {
     "@apidevtools/swagger-parser": "10.1.0",
     "@babel/core": "7.18.13",
+    "@swc/core": "1.2.246",
+    "@swc/jest": "0.2.22",
     "@types/bcryptjs": "2.4.2",
     "@types/cors": "2.8.12",
     "@types/express": "4.17.13",
@@ -171,13 +173,12 @@
     "jest": "29.0.1",
     "lint-staged": "13.0.3",
     "nock": "13.2.9",
+    "openapi-enforcer": "^1.21.0",
     "prettier": "2.7.1",
     "proxyquire": "2.1.3",
     "source-map-support": "0.5.21",
     "superagent": "8.0.0",
     "supertest": "6.2.4",
-    "@swc/core": "1.2.246",
-    "@swc/jest": "0.2.22",
     "ts-node": "10.9.1",
     "tsc-watch": "5.0.3",
     "typescript": "4.8.2"
diff --git a/src/lib/openapi/spec/set-ui-config-schema.ts b/src/lib/openapi/spec/set-ui-config-schema.ts
index 27f7153a2d..c566b46f80 100644
--- a/src/lib/openapi/spec/set-ui-config-schema.ts
+++ b/src/lib/openapi/spec/set-ui-config-schema.ts
@@ -12,7 +12,6 @@ export const setUiConfigSchema = {
             properties: {
                 frontendApiOrigins: {
                     type: 'array',
-                    additionalProperties: false,
                     items: { type: 'string' },
                 },
             },
diff --git a/src/test/e2e/api/openapi/openapi.e2e.test.ts b/src/test/e2e/api/openapi/openapi.e2e.test.ts
index 6378b59fe2..af121c3d51 100644
--- a/src/test/e2e/api/openapi/openapi.e2e.test.ts
+++ b/src/test/e2e/api/openapi/openapi.e2e.test.ts
@@ -2,6 +2,7 @@ import { setupApp } from '../../helpers/test-helper';
 import dbInit from '../../helpers/database-init';
 import getLogger from '../../../fixtures/no-logger';
 import SwaggerParser from '@apidevtools/swagger-parser';
+import enforcer from 'openapi-enforcer';
 
 let app;
 let db;
@@ -52,4 +53,17 @@ test('the generated OpenAPI spec is valid', async () => {
         console.error(err);
         return false;
     }
+
+    const [openapi, error, warning] = await enforcer(body, {
+        fullResult: true,
+    });
+
+    if (error !== undefined) {
+        console.error(error);
+    }
+    if (warning !== undefined) {
+        // some of these _should_ probably be dealt with at some point.
+        console.warn(warning);
+    }
+    if (openapi !== undefined) console.log('Document is valid');
 });
diff --git a/yarn.lock b/yarn.lock
index f45ff6ede1..76a02b2c0c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2740,6 +2740,11 @@ dotenv@^5.0.1:
   resolved "https://registry.npmjs.org/dotenv/-/dotenv-5.0.1.tgz"
   integrity sha512-4As8uPrjfwb7VXC+WnLCbXK7y+Ueb2B3zgNCePYfhxS1PYeaO1YTeplffTEcbfLhvFNGLAz90VvJs9yomG7bow==
 
+drange@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/drange/-/drange-1.1.1.tgz#b2aecec2aab82fcef11dbbd7b9e32b83f8f6c0b8"
+  integrity sha512-pYxfDYpued//QpnLIm4Avk7rsNtAtQkUES2cwAYSvD/wd2pKD71gN2Ebj3e7klzXwjocvE8c5vx/1fxwpqmSxA==
+
 duplexer@~0.1.1:
   version "0.1.2"
   resolved "https://registry.npmjs.org/duplexer/-/duplexer-0.1.2.tgz"
@@ -5468,6 +5473,14 @@ onetime@^6.0.0:
   dependencies:
     mimic-fn "^4.0.0"
 
+openapi-enforcer@^1.21.0:
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/openapi-enforcer/-/openapi-enforcer-1.21.0.tgz#5fa86fcbf57cf649ff195cb9a4f5c884a83c91db"
+  integrity sha512-5wUTQguI/xTq1a7gzi71X7IBzXw7Aw1fHLMDTVjPg3TrlYsYzMATjAaH80mfB91uptWIJYRPNptM3+uh4tW2pg==
+  dependencies:
+    js-yaml "^4.1.0"
+    randexp "^0.5.3"
+
 openapi-types@^12.0.0:
   version "12.0.0"
   resolved "https://registry.yarnpkg.com/openapi-types/-/openapi-types-12.0.0.tgz#458a99d048f9eae1c067e15d56a8bfb3726041f1"
@@ -5926,6 +5939,14 @@ quick-lru@^5.1.1:
   resolved "https://registry.npmjs.org/quick-lru/-/quick-lru-5.1.1.tgz"
   integrity sha512-WuyALRjWPDGtt/wzJiadO5AXY+8hZ80hVpe6MyivgraREW751X3SbhRvG3eLKOYN+8VEvqLcf3wdnt44Z4S4SA==
 
+randexp@^0.5.3:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/randexp/-/randexp-0.5.3.tgz#f31c2de3148b30bdeb84b7c3f59b0ebb9fec3738"
+  integrity sha512-U+5l2KrcMNOUPYvazA3h5ekF80FHTUG+87SEAmHZmolh1M+i/WyTCxVzmi+tidIa1tM4BSe8g2Y/D3loWDjj+w==
+  dependencies:
+    drange "^1.0.2"
+    ret "^0.2.0"
+
 random-bytes@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/random-bytes/-/random-bytes-1.0.0.tgz"
@@ -6140,6 +6161,11 @@ restore-cursor@^3.1.0:
     onetime "^5.1.0"
     signal-exit "^3.0.2"
 
+ret@^0.2.0:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.2.2.tgz#b6861782a1f4762dce43402a71eb7a283f44573c"
+  integrity sha512-M0b3YWQs7R3Z917WRQy1HHA7Ba7D8hvZg6UE5mLykJxQVE2ju0IXbGlaHPPlkY+WN7wFP+wUMXmBFA0aV6vYGQ==
+
 retry@^0.12.0:
   version "0.12.0"
   resolved "https://registry.npmjs.org/retry/-/retry-0.12.0.tgz"