diff --git a/lib/modules/datasource/orb/__snapshots__/index.spec.ts.snap b/lib/modules/datasource/orb/__snapshots__/index.spec.ts.snap
index b3583fe0121db5ac01afd2ce3b2fb79f04cb530a..b6f1650795302dc6d8e3e136abf479345c60a77f 100644
--- a/lib/modules/datasource/orb/__snapshots__/index.spec.ts.snap
+++ b/lib/modules/datasource/orb/__snapshots__/index.spec.ts.snap
@@ -4,7 +4,7 @@ exports[`modules/datasource/orb/index getReleases processes homeUrl 1`] = `
 {
   "homepage": "https://google.com",
   "isPrivate": false,
-  "registryUrl": "https://circleci.com/",
+  "registryUrl": "https://circleci.com",
   "releases": [
     {
       "releaseTimestamp": "2018-12-11T05:28:14.080Z",
@@ -53,7 +53,7 @@ exports[`modules/datasource/orb/index getReleases processes real data 1`] = `
 {
   "homepage": "https://circleci.com/developer/orbs/orb/hyper-expanse/library-release-workflows",
   "isPrivate": false,
-  "registryUrl": "https://circleci.com/",
+  "registryUrl": "https://circleci.com",
   "releases": [
     {
       "releaseTimestamp": "2018-12-11T05:28:14.080Z",
diff --git a/lib/modules/datasource/orb/index.spec.ts b/lib/modules/datasource/orb/index.spec.ts
index e2dd13dd7b817c99b5aaf7621b6877b9cb69703e..1cb1e8519d4ac56a118092933e10ff737ddeaf6f 100644
--- a/lib/modules/datasource/orb/index.spec.ts
+++ b/lib/modules/datasource/orb/index.spec.ts
@@ -92,5 +92,18 @@ describe('modules/datasource/orb/index', () => {
       expect(res).toMatchSnapshot();
       expect(res?.homepage).toBe('https://google.com');
     });
+
+    it('supports other registries', async () => {
+      httpMock
+        .scope('https://cci.internal.dev')
+        .post('/graphql-unstable')
+        .reply(200, orbData);
+      const res = await getPkgReleases({
+        datasource,
+        packageName: 'hyper-expanse/library-release-workflows',
+        registryUrls: ['https://cci.internal.dev'],
+      });
+      expect(res?.registryUrl).toBe('https://cci.internal.dev');
+    });
   });
 });
diff --git a/lib/modules/datasource/orb/index.ts b/lib/modules/datasource/orb/index.ts
index 12e3bc834d5eee5eec1c0f0d39c24a124f407169..80fa61e4e93204335a720f52a6f960da1035e916 100644
--- a/lib/modules/datasource/orb/index.ts
+++ b/lib/modules/datasource/orb/index.ts
@@ -1,5 +1,6 @@
 import { logger } from '../../../logger';
 import { cache } from '../../../util/cache/package/decorator';
+import { joinUrlParts } from '../../../util/url';
 import { Datasource } from '../datasource';
 import type { GetReleasesConfig, ReleaseResult } from '../types';
 import type { OrbResponse } from './types';
@@ -27,9 +28,10 @@ export class OrbDatasource extends Datasource {
     super(OrbDatasource.id);
   }
 
-  override readonly customRegistrySupport = false;
+  override readonly customRegistrySupport = true;
 
   override readonly defaultRegistryUrls = ['https://circleci.com/'];
+  override readonly registryStrategy = 'hunt';
 
   override readonly releaseTimestampSupport = true;
   override readonly releaseTimestampNote =
@@ -47,7 +49,7 @@ export class OrbDatasource extends Datasource {
     if (!registryUrl) {
       return null;
     }
-    const url = `${registryUrl}graphql-unstable`;
+    const url = joinUrlParts(registryUrl, 'graphql-unstable');
     const body = {
       query,
       variables: { packageName, maxVersions: MAX_VERSIONS },