diff --git a/build.gradle b/build.gradle
index 564cbc1..0293a1b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -54,7 +54,7 @@ dependencies {
         exclude group: "tomcat-annotations-api", module: "org.apache.tomcat"
     }
     testImplementation "org.apache.tomcat.embed:tomcat-embed-el:9.0.39"
-    testImplementation "org.apache.tomcat.embed:tomcat-embed-websocket:9.0.38"
+    testImplementation "org.apache.tomcat.embed:tomcat-embed-websocket:9.0.39"
 
     // JUnit
     testImplementation "org.junit.jupiter:junit-jupiter-api:5.7.0"