diff --git a/gradle.properties b/gradle.properties
index 131f370..69d9d2a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 # Project settings
 # Rule: [major update].[feature update].[bug fix]
-project_version=3.0.29
+project_version=3.0.30
 config_version=38
 project_group=net.momirealms
 
@@ -22,10 +22,10 @@ adventure_bundle_version=4.23.0
 adventure_platform_version=4.4.0
 cloud_core_version=2.0.0
 cloud_services_version=2.0.0
-cloud_brigadier_version=2.0.0-beta.10
-cloud_bukkit_version=2.0.0-beta.10
-cloud_paper_version=2.0.0-beta.10
-cloud_minecraft_extras_version=2.0.0-beta.10
+cloud_brigadier_version=2.0.0-beta.11
+cloud_bukkit_version=2.0.0-beta.11
+cloud_paper_version=2.0.0-beta.11
+cloud_minecraft_extras_version=2.0.0-beta.11
 boosted_yaml_version=1.3.7
 byte_buddy_version=1.17.5
 mojang_brigadier_version=1.0.18
diff --git a/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/BukkitRequirementManager.java b/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/BukkitRequirementManager.java
index 1eee99c..4118d25 100644
--- a/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/BukkitRequirementManager.java
+++ b/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/BukkitRequirementManager.java
@@ -53,6 +53,14 @@ public class BukkitRequirementManager extends AbstractRequirementManager {
         this.registerBedrock();
         this.registerDisguise();
         this.registerPassenger();
+        this.registerTeammates();
+    }
+
+    private void registerTeammates() {
+        this.registerRequirement((args, interval) -> {
+            boolean is = (boolean) args;
+            return new TeammatesRequirement(interval, is);
+        }, "teammates");
     }
 
     private void registerPassenger() {
diff --git a/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/builtin/TeammatesRequirement.java b/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/builtin/TeammatesRequirement.java
new file mode 100644
index 0000000..7778670
--- /dev/null
+++ b/platforms/bukkit/src/main/java/net/momirealms/customnameplates/bukkit/requirement/builtin/TeammatesRequirement.java
@@ -0,0 +1,63 @@
+/*
+ *  Copyright (C) <2024> <XiaoMoMi>
+ *
+ *  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
+ *  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 <https://www.gnu.org/licenses/>.
+ */
+
+package net.momirealms.customnameplates.bukkit.requirement.builtin;
+
+import net.momirealms.customnameplates.api.CNPlayer;
+import net.momirealms.customnameplates.backend.requirement.AbstractRequirement;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.scoreboard.Team;
+
+public class TeammatesRequirement extends AbstractRequirement {
+    private final boolean is;
+
+    public TeammatesRequirement(int refreshInterval, boolean is) {
+        super(refreshInterval);
+        this.is = is;
+    }
+
+    @Override
+    public boolean isSatisfied(CNPlayer p1, CNPlayer p2) {
+        Player player1 = (Player) p1.player();
+        Player player2 = (Player) p2.player();
+        Team team1 = Bukkit.getScoreboardManager().getMainScoreboard().getEntityTeam(player1);
+        Team team2 = Bukkit.getScoreboardManager().getMainScoreboard().getEntityTeam(player2);
+        if (this.is) {
+            return team1 != null && team1.equals(team2);
+        } else {
+            return team1 == null || !team1.equals(team2);
+        }
+    }
+
+    @Override
+    public String type() {
+        return "teammates";
+    }
+
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        TeammatesRequirement that = (TeammatesRequirement) o;
+        return that.is == this.is;
+    }
+
+    @Override
+    public int hashCode() {
+        return this.is ? 17 : 3;
+    }
+}