diff --git a/main/pom.xml b/main/pom.xml
index 1facb4b18..433667a81 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>ch.ethz.globis.phtree</groupId>
             <artifactId>phtree</artifactId>
-            <version>2.6.2</version>
+            <version>2.8.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/main/src/main/java/net/citizensnpcs/Citizens.java b/main/src/main/java/net/citizensnpcs/Citizens.java
index dbd40c22e..6f88a67ef 100644
--- a/main/src/main/java/net/citizensnpcs/Citizens.java
+++ b/main/src/main/java/net/citizensnpcs/Citizens.java
@@ -291,7 +291,7 @@ public class Citizens extends JavaPlugin implements CitizensPlugin {
         lib.addMavenCentral();
         lib.setLogLevel(LogLevel.WARN);
         // Unfortunately, transitive dependency management is not supported in this library.
-        lib.loadLibrary(Library.builder().groupId("ch{}ethz{}globis{}phtree").artifactId("phtree").version("2.6.2")
+        lib.loadLibrary(Library.builder().groupId("ch{}ethz{}globis{}phtree").artifactId("phtree").version("2.8.0")
                 .relocate("ch{}ethz{}globis{}phtree", "clib{}phtree").build());
         lib.loadLibrary(Library.builder().groupId("net{}sf{}trove4j").artifactId("trove4j").version("3.0.3")
                 .relocate("gnu{}trove", "clib{}trove").build());