diff --git a/build.gradle b/build.gradle
index e74cb6b2..8de599f4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ compileTestJava {
 dependencies {
     testImplementation group: 'junit', name: 'junit', version: '4.13.2'
     testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
-    testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver', version: '4.10.0'
+    testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver', version: '5.1.0'
     testImplementation group: 'org.hamcrest', name: 'hamcrest-library', version: '3.0'
     implementation 'com.google.code.gson:gson:2.13.1'
     implementation 'com.squareup.okhttp3:okhttp:4.12.0'