diff --git a/pom.xml b/pom.xml
index d6426009b..fc314cdc7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
     <dependency>
       <groupId>com.sk89q</groupId>
       <artifactId>dummypermscompat</artifactId>
-      <version>1.6</version>
+      <version>1.7</version>
       <scope>compile</scope>
       <optional>true</optional>
     </dependency>
diff --git a/src/main/java/com/sk89q/wepif/GroupManagerResolver.java b/src/main/java/com/sk89q/wepif/GroupManagerResolver.java
new file mode 100644
index 000000000..fc01c2735
--- /dev/null
+++ b/src/main/java/com/sk89q/wepif/GroupManagerResolver.java
@@ -0,0 +1,128 @@
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.wepif;
+
+import com.sk89q.util.yaml.YAMLProcessor;
+import org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder;
+import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.Server;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+
+public class GroupManagerResolver implements PermissionsResolver {
+    private final WorldsHolder worldsHolder;
+    private final Server server;
+
+    public static PermissionsResolver factory(Server server, YAMLProcessor config) {
+        try {
+            WorldsHolder worldsHolder = server.getServicesManager().load(WorldsHolder.class);
+
+            if (worldsHolder == null) {
+                return null;
+            }
+
+            return new GroupManagerResolver(server, worldsHolder);
+        } catch (Throwable t) {
+            return null;
+        }
+    }
+
+    public GroupManagerResolver(Server server, WorldsHolder worldsHolder) {
+        this.server = server;
+        this.worldsHolder = worldsHolder;
+    }
+
+    public void load() {
+
+    }
+
+    private AnjoPermissionsHandler getPermissionHandler(String name, String worldName) {
+        if (name == null || name.isEmpty()) {
+            return null;
+        }
+        if (worldName == null || worldName.isEmpty()) {
+            Player player = server.getPlayerExact(name);
+            if (player == null) {
+                return null;
+            }
+            World world = player.getWorld();
+            if (world == null) {
+                return worldsHolder.getDefaultWorld().getPermissionsHandler();
+            }
+            return worldsHolder.getWorldPermissions(world.getName());
+        } else {
+            return worldsHolder.getWorldPermissions(worldName);
+        }
+    }
+
+    public boolean hasPermission(String name, String permission) {
+        return hasPermission(null, name, permission);
+    }
+
+    public boolean hasPermission(String worldName, String name, String permission) {
+        if (permission == null || permission.isEmpty()) {
+            return false;
+        }
+        AnjoPermissionsHandler permissionHandler = getPermissionHandler(name, worldName);
+        if (permissionHandler == null) {
+            return false;
+        }
+        return permissionHandler.permission(name, permission);
+    }
+
+    public boolean inGroup(String name, String group) {
+        if (group == null || group.isEmpty()) {
+            return false;
+        }
+        AnjoPermissionsHandler permissionHandler = getPermissionHandler(name, null);
+        if (permissionHandler == null) {
+            return false;
+        }
+        return permissionHandler.inGroup(name, group);
+    }
+
+    public String[] getGroups(String name) {
+        AnjoPermissionsHandler permissionHandler = getPermissionHandler(name, null);
+        if (permissionHandler == null) {
+            return new String[0];
+        }
+        return permissionHandler.getGroups(name);
+    }
+
+    public boolean hasPermission(OfflinePlayer player, String permission) {
+        return hasPermission(player.getName(), permission);
+    }
+
+    public boolean hasPermission(String worldName, OfflinePlayer player, String permission) {
+        return hasPermission(worldName, player.getName(), permission);
+    }
+
+    public boolean inGroup(OfflinePlayer player, String group) {
+        return inGroup(player.getName(), group);
+    }
+
+    public String[] getGroups(OfflinePlayer player) {
+        return getGroups(player.getName());
+    }
+
+    public String getDetectionMessage() {
+        return "GroupManager detected! Using GroupManager for permissions.";
+    }
+}
diff --git a/src/main/java/com/sk89q/wepif/PermissionsResolverManager.java b/src/main/java/com/sk89q/wepif/PermissionsResolverManager.java
index a2d51e502..8902e3bb5 100644
--- a/src/main/java/com/sk89q/wepif/PermissionsResolverManager.java
+++ b/src/main/java/com/sk89q/wepif/PermissionsResolverManager.java
@@ -91,6 +91,7 @@ public class PermissionsResolverManager implements PermissionsResolver {
             PluginPermissionsResolver.class,
             PermissionsExResolver.class,
             bPermissionsResolver.class,
+            GroupManagerResolver.class,
             NijiPermissionsResolver.class,
             DinnerPermsResolver.class,
             FlatFilePermissionsResolver.class