diff --git a/package.json b/package.json
index 2809cba..a9049b5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@navy.gif/wrappers",
-  "version": "1.5.5",
+  "version": "1.5.6",
   "description": "Various wrapper classes I use in my projects",
   "repository": "https://git.corgi.wtf/Navy.gif/wrappers.git",
   "author": "Navy.gif",
diff --git a/src/MongoDB.ts b/src/MongoDB.ts
index 4301d4c..8d83d9d 100644
--- a/src/MongoDB.ts
+++ b/src/MongoDB.ts
@@ -363,7 +363,7 @@ class MongoDB
         return this.#db.collection(coll).countDocuments(query);
     }
 
-    async ensureIndex (collection: string, index: IndexSpecification, options?: CreateIndexesOptions) 
+    async ensureIndex (collection: string, index: IndexSpecification, options?: CreateIndexesOptions): Promise<void>
     {
         if (!this.#db)
             return Promise.reject(new Error('MongoDB not connected'));
@@ -372,7 +372,7 @@ class MongoDB
         await this.#db.collection(collection).createIndex(index, options);
     }
 
-    async ensureIndices (collection: string, indices: IndexSpecification[], options?: CreateIndexesOptions) 
+    async ensureIndices (collection: string, indices: IndexSpecification[], options?: CreateIndexesOptions): Promise<void>
     {
         if (!this.#db)
             return Promise.reject(new Error('MongoDB not connected'));