diff --git a/server/build.gradle b/server/build.gradle
index 5035334..84c01b3 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -41,10 +41,10 @@ dependencies {
   implementation 'org.slf4j:slf4j-simple:2.0.17'
 
   // JUnit Jupiter API for testing.
-  testImplementation 'org.junit.jupiter:junit-jupiter-api:5.12.2'
+  testImplementation 'org.junit.jupiter:junit-jupiter-api:5.13.4'
 
   // JUnit Jupiter Engine for testing.
-  testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.12.2'
+  testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.13.4'
 
   // JUnit Platform Launcher for testing.
   testRuntimeOnly 'org.junit.platform:junit-platform-launcher'