diff --git a/server/build.gradle b/server/build.gradle
index a5632e1..43edec1 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -26,7 +26,7 @@ dependencies {
     testImplementation 'org.jetbrains.teamcity:server-api:2023.11.1'
     testImplementation 'org.apache.commons:commons-lang3:3.14.0'
     testImplementation 'org.mockito:mockito-junit-jupiter:5.8.0'
-    testImplementation 'org.mockito:mockito-core:5.8.0'
+    testImplementation 'org.mockito:mockito-core:5.9.0'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.1'
 
     //provided by the environment, so we dont need to package it.