diff --git a/app/models/user.js b/app/models/user.js
index 6e34e21..d0c0ff9 100644
--- a/app/models/user.js
+++ b/app/models/user.js
@@ -37,7 +37,7 @@ const UserSchema = new Schema({
   passwordSalt: { type: String, required: true },
   password: { type: String, required: true },
   displayName: { type: String },
-  bio: { type: String },
+  bio: { type: String, maxlength: 300 },
   picture: {
     large: { type: Schema.ObjectId, ref: 'Image' },
     small: { type: Schema.ObjectId, ref: 'Image' },