diff --git a/install-mongo b/install-mongo
index 440d7ec..4f39259 100755
--- a/install-mongo
+++ b/install-mongo
@@ -1,6 +1,8 @@
 #!/bin/bash
-sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 4B7C549A058F8B6B
-echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb.list
+#sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 4B7C549A058F8B6B
+curl -fsSL https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -
+#echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb.list
+echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
 sudo apt-get update
 sudo apt-get install -y mongodb-org
 sudo service mongod start
diff --git a/util/users/createUsers.js b/util/users/createUsers.js
index 08a2e40..0aa333c 100644
--- a/util/users/createUsers.js
+++ b/util/users/createUsers.js
@@ -9,7 +9,10 @@ async function addUser () {
   // Connect to the Mongo Database.
   mongoose.Promise = global.Promise
   mongoose.set('useCreateIndex', true) // Stop deprecation warning.
-  await mongoose.connect(config.database, { useNewUrlParser: true })
+  await mongoose.connect(
+    config.database,
+    { useNewUrlParser: true, useUnifiedTopology: true }
+  )
 
   const User = require('../../src/models/users')
 
diff --git a/util/users/getUsers.js b/util/users/getUsers.js
index cd00d31..a80a5fd 100644
--- a/util/users/getUsers.js
+++ b/util/users/getUsers.js
@@ -8,7 +8,10 @@ async function getUsers () {
   // Connect to the Mongo Database.
   mongoose.Promise = global.Promise
   mongoose.set('useCreateIndex', true) // Stop deprecation warning.
-  await mongoose.connect(config.database, { useNewUrlParser: true })
+  await mongoose.connect(
+    config.database,
+    { useNewUrlParser: true, useUnifiedTopology: true }
+  )
 
   const users = await User.find({}, '-password')
   console.log(`users: ${JSON.stringify(users, null, 2)}`)