diff --git a/functionaltest-jenkins-plugin/build.gradle b/functionaltest-jenkins-plugin/build.gradle
index 6aeaefc3..06ed9958 100644
--- a/functionaltest-jenkins-plugin/build.gradle
+++ b/functionaltest-jenkins-plugin/build.gradle
@@ -37,7 +37,7 @@ dependencies {
     implementation "jakarta.xml.bind:jakarta.xml.bind-api:4.0.2"
     implementation "org.glassfish.jaxb:jaxb-runtime:4.0.5"
 
-    implementation 'com.squareup.okhttp3:okhttp:4.12.0'
+    implementation 'com.squareup.okhttp3:okhttp:5.0.0'
     implementation 'com.google.code.gson:gson:2.13.1'
     implementation 'io.gsonfire:gson-fire:1.9.0'
     implementation 'javax.xml.bind:jaxb-api:2.3.1'