diff --git a/bukkit/src/main/resources/config.yml b/bukkit/src/main/resources/config.yml
index 6fdd836ed..8fa99a81a 100644
--- a/bukkit/src/main/resources/config.yml
+++ b/bukkit/src/main/resources/config.yml
@@ -328,6 +328,10 @@ data:
   # The prefix to use for all LuckPerms collections. Change this if you want to use different
   # collections for different servers. The default is no prefix.
   mongodb_collection_prefix: ''
+  
+  # MongoDB ClientConnectionURI for use with replicasets and custom connection options
+  # See https://docs.mongodb.com/manual/reference/connection-string/
+  mongodb_connection_URI: ''
 
   # This option controls how frequently LuckPerms will perform a sync task.
   # A sync task will refresh all data from the storage, and ensure that the most up-to-date data is
@@ -456,4 +460,4 @@ default-assignments:
 #      - group.default
 #    give:
 #      - group.member
-#    set-primary-group: member
\ No newline at end of file
+#    set-primary-group: member
diff --git a/bungee/src/main/resources/config.yml b/bungee/src/main/resources/config.yml
index 67cd39d28..fe15c40e7 100644
--- a/bungee/src/main/resources/config.yml
+++ b/bungee/src/main/resources/config.yml
@@ -270,6 +270,10 @@ data:
   # The prefix to use for all LuckPerms collections. Change this if you want to use different
   # collections for different servers. The default is no prefix.
   mongodb_collection_prefix: ''
+  
+  # MongoDB ClientConnectionURI for use with replicasets and custom connection options
+  # See https://docs.mongodb.com/manual/reference/connection-string/
+  mongodb_connection_URI: ''
 
   # This option controls how frequently LuckPerms will perform a sync task.
   # A sync task will refresh all data from the storage, and ensure that the most up-to-date data is
@@ -399,4 +403,4 @@ default-assignments:
 #      - group.default
 #    give:
 #      - group.member
-#    set-primary-group: member
\ No newline at end of file
+#    set-primary-group: member
diff --git a/common/src/main/java/me/lucko/luckperms/common/config/ConfigKeys.java b/common/src/main/java/me/lucko/luckperms/common/config/ConfigKeys.java
index f3c85a193..53f29b912 100644
--- a/common/src/main/java/me/lucko/luckperms/common/config/ConfigKeys.java
+++ b/common/src/main/java/me/lucko/luckperms/common/config/ConfigKeys.java
@@ -404,7 +404,12 @@ public class ConfigKeys {
      * The prefix for any MongoDB collections
      */
     public static final ConfigKey<String> MONGODB_COLLECTION_PREFIX = EnduringKey.wrap(StringKey.of("data.mongodb_collection_prefix", ""));
-
+       
+    /**
+     * MongoDB ClientConnectionURI to override default connection options
+     */
+    public static final ConfigKey<String> MONGODB_CONNECTION_URI = EnduringKey.wrap(StringKey.of("data.mongodb_connection_URI", ""));
+    
     /**
      * The name of the storage method being used
      */
diff --git a/common/src/main/java/me/lucko/luckperms/common/storage/StorageFactory.java b/common/src/main/java/me/lucko/luckperms/common/storage/StorageFactory.java
index ab519eb3e..b132404fb 100644
--- a/common/src/main/java/me/lucko/luckperms/common/storage/StorageFactory.java
+++ b/common/src/main/java/me/lucko/luckperms/common/storage/StorageFactory.java
@@ -158,7 +158,8 @@ public class StorageFactory {
                 return new MongoDao(
                         this.plugin,
                         this.plugin.getConfiguration().get(ConfigKeys.DATABASE_VALUES),
-                        this.plugin.getConfiguration().get(ConfigKeys.MONGODB_COLLECTION_PREFIX)
+                        this.plugin.getConfiguration().get(ConfigKeys.MONGODB_COLLECTION_PREFIX),
+                        this.plugin.getConfiguration().get(ConfigKeys.MONGODB_CONNECTION_URI)
                 );
             case YAML:
                 return new YamlDao(this.plugin, "yaml-storage");
diff --git a/common/src/main/java/me/lucko/luckperms/common/storage/dao/mongodb/MongoDao.java b/common/src/main/java/me/lucko/luckperms/common/storage/dao/mongodb/MongoDao.java
index cbb773af9..ed6426f5e 100644
--- a/common/src/main/java/me/lucko/luckperms/common/storage/dao/mongodb/MongoDao.java
+++ b/common/src/main/java/me/lucko/luckperms/common/storage/dao/mongodb/MongoDao.java
@@ -28,6 +28,7 @@ package me.lucko.luckperms.common.storage.dao.mongodb;
 import com.google.common.base.Strings;
 import com.mongodb.MongoClient;
 import com.mongodb.MongoClientOptions;
+import com.mongodb.MongoClientURI;
 import com.mongodb.MongoCredential;
 import com.mongodb.ServerAddress;
 import com.mongodb.client.MongoCollection;
@@ -77,35 +78,41 @@ public class MongoDao extends AbstractDao {
     private MongoClient mongoClient;
     private MongoDatabase database;
     private final String prefix;
+    private final String connectionURI;
 
-    public MongoDao(LuckPermsPlugin plugin, StorageCredentials configuration, String prefix) {
+    public MongoDao(LuckPermsPlugin plugin, StorageCredentials configuration, String prefix, String connectionURI) {
         super(plugin, "MongoDB");
         this.configuration = configuration;
         this.prefix = prefix;
+        this.connectionURI = connectionURI;
     }
 
     @Override
     public void init() {
-        MongoCredential credential = null;
-        if (!Strings.isNullOrEmpty(this.configuration.getUsername())) {
-            credential = MongoCredential.createCredential(
-                    this.configuration.getUsername(),
-                    this.configuration.getDatabase(),
-                    Strings.isNullOrEmpty(this.configuration.getPassword()) ? null : this.configuration.getPassword().toCharArray()
-            );
-        }
-
-        String[] addressSplit = this.configuration.getAddress().split(":");
-        String host = addressSplit[0];
-        int port = addressSplit.length > 1 ? Integer.parseInt(addressSplit[1]) : 27017;
-        ServerAddress address = new ServerAddress(host, port);
-
-        if (credential == null) {
-            this.mongoClient = new MongoClient(address);
+        if (!Strings.isNullOrempty(this.connectionURI)) {
+            this.mongoClient = new MongoClient(new MongoClientURI(this.connectionURI));
         } else {
-            this.mongoClient = new MongoClient(address, credential, MongoClientOptions.builder().build());
-        }
+            MongoCredential credential = null;
+            if (!Strings.isNullOrEmpty(this.configuration.getUsername())) {
+                credential = MongoCredential.createCredential(
+                        this.configuration.getUsername(),
+                        this.configuration.getDatabase(),
+                        Strings.isNullOrEmpty(this.configuration.getPassword()) ? null : this.configuration.getPassword().toCharArray()
+                );
+            }
 
+            String[] addressSplit = this.configuration.getAddress().split(":");
+            String host = addressSplit[0];
+            int port = addressSplit.length > 1 ? Integer.parseInt(addressSplit[1]) : 27017;
+            ServerAddress address = new ServerAddress(host, port);
+
+            if (credential == null) {
+                this.mongoClient = new MongoClient(address);
+            } else {
+                this.mongoClient = new MongoClient(address, credential, MongoClientOptions.builder().build());
+            }
+        }
+        
         this.database = this.mongoClient.getDatabase(this.configuration.getDatabase());
     }
 
diff --git a/nukkit/src/main/resources/config.yml b/nukkit/src/main/resources/config.yml
index 068844748..2b691e3e0 100644
--- a/nukkit/src/main/resources/config.yml
+++ b/nukkit/src/main/resources/config.yml
@@ -328,6 +328,10 @@ data:
   # The prefix to use for all LuckPerms collections. Change this if you want to use different
   # collections for different servers. The default is no prefix.
   mongodb_collection_prefix: ''
+  
+  # MongoDB ClientConnectionURI for use with replicasets and custom connection options
+  # See https://docs.mongodb.com/manual/reference/connection-string/
+  mongodb_connection_URI: ''
 
   # This option controls how frequently LuckPerms will perform a sync task.
   # A sync task will refresh all data from the storage, and ensure that the most up-to-date data is
@@ -456,4 +460,4 @@ default-assignments:
 #      - group.default
 #    give:
 #      - group.member
-#    set-primary-group: member
\ No newline at end of file
+#    set-primary-group: member
diff --git a/sponge/src/main/resources/luckperms.conf b/sponge/src/main/resources/luckperms.conf
index 127b8ab4f..2e495230b 100644
--- a/sponge/src/main/resources/luckperms.conf
+++ b/sponge/src/main/resources/luckperms.conf
@@ -277,6 +277,10 @@ data {
   # The prefix to use for all LuckPerms collections. Change this if you want to use different
   # collections for different servers. The default is no prefix.
   mongodb_collection_prefix=""
+  
+  # MongoDB ClientConnectionURI for use with replicasets and custom connection options
+  # See https://docs.mongodb.com/manual/reference/connection-string/
+  mongodb_connection_URI=""
 
   # This option controls how frequently LuckPerms will perform a sync task.
   # A sync task will refresh all data from the storage, and ensure that the most up-to-date data is