diff --git a/build.gradle b/build.gradle
index 80ae37f..8bf3134 100644
--- a/build.gradle
+++ b/build.gradle
@@ -65,12 +65,12 @@ repositories {
 }
 
 dependencies {
-    compileOnly 'io.papermc.paper:paper-api:1.21.8-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.21.9-pre4-R0.1-SNAPSHOT'
     compileOnly 'com.github.spotbugs:spotbugs-annotations:4.9.5'
     implementation 'io.papermc:paperlib:1.0.8'
     spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.14.0'
     testCompileOnly 'com.github.spotbugs:spotbugs-annotations:4.9.5'
-    testImplementation 'io.papermc.paper:paper-api:1.21.8-R0.1-SNAPSHOT'
+    testImplementation 'io.papermc.paper:paper-api:1.21.9-pre4-R0.1-SNAPSHOT'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher:1.13.4'
 }