diff --git a/server/api/helpers/users/build-gravatar-url.js b/server/api/helpers/users/build-gravatar-url.js
index 408fc654..b5f52af4 100644
--- a/server/api/helpers/users/build-gravatar-url.js
+++ b/server/api/helpers/users/build-gravatar-url.js
@@ -20,7 +20,7 @@ module.exports = {
       return null;
     }
 
-    const hash = crypto.createHash('md5').update(inputs.record.email).digest('hex');
+    const hash = crypto.createHash('sha256').update(inputs.record.email).digest('hex');
     return `${sails.config.custom.gravatarBaseUrl}${hash}?s=180&d=initials`;
   },
 };