diff --git a/x-pack/plugins/code/common/repository_utils.test.ts b/x-pack/plugins/code/common/repository_utils.test.ts
index cefa2bf1e7e85..57756d9aa98c5 100644
--- a/x-pack/plugins/code/common/repository_utils.test.ts
+++ b/x-pack/plugins/code/common/repository_utils.test.ts
@@ -94,3 +94,16 @@ test('Repository url parsing with port', () => {
     org: 'elastic',
   });
 });
+
+test('Normalize repository index name', () => {
+  const indexName1 = RepositoryUtils.normalizeRepoUriToIndexName('github.com/elastic/Kibana');
+  const indexName2 = RepositoryUtils.normalizeRepoUriToIndexName('github.com/elastic/kibana');
+
+  expect(indexName1 === indexName2).toBeFalsy();
+  expect(indexName1).toEqual('github.aaakk.us.kg-elastic-kibana-e2b881a9');
+  expect(indexName2).toEqual('github.aaakk.us.kg-elastic-kibana-7bf00473');
+
+  const indexName3 = RepositoryUtils.normalizeRepoUriToIndexName('github.com/elastic-kibana/code');
+  const indexName4 = RepositoryUtils.normalizeRepoUriToIndexName('github.com/elastic/kibana-code');
+  expect(indexName3 === indexName4).toBeFalsy();
+});
diff --git a/x-pack/plugins/code/common/repository_utils.ts b/x-pack/plugins/code/common/repository_utils.ts
index a189df744ee2e..2e01415edd14c 100644
--- a/x-pack/plugins/code/common/repository_utils.ts
+++ b/x-pack/plugins/code/common/repository_utils.ts
@@ -4,6 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import crypto from 'crypto';
 import GitUrlParse from 'git-url-parse';
 import path from 'path';
 import { Location } from 'vscode-languageserver';
@@ -66,10 +67,15 @@ export class RepositoryUtils {
   }
 
   public static normalizeRepoUriToIndexName(repoUri: RepositoryUri) {
-    return repoUri
-      .split('/')
-      .join('-')
-      .toLowerCase();
+    const hash = crypto
+      .createHash('md5')
+      .update(repoUri)
+      .digest('hex')
+      .substring(0, 8);
+    const segs: string[] = repoUri.split('/');
+    segs.push(hash);
+    // Elasticsearch index name is case insensitive
+    return segs.join('-').toLowerCase();
   }
 
   public static locationToUrl(loc: Location) {