diff --git a/build.gradle b/build.gradle
index e3c7198..a1bf9bb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,10 +69,10 @@ dependencies {
     compileOnly project.deps.gocdPluginApi
     implementation group: 'com.google.code.gson', name: 'gson', version: '2.13.1'
     implementation group: 'org.kohsuke', name: 'github-api', version: '1.327'
-    implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '4.12.0'
+    implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '5.1.0'
 
     testImplementation project.deps.gocdPluginApi
-    testImplementation platform('org.junit:junit-bom:5.13.2')
+    testImplementation platform('org.junit:junit-bom:5.13.3')
     testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api'
     testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-params'
     testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine'
@@ -81,7 +81,7 @@ dependencies {
     testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.18.0'
     testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
     testImplementation group: 'org.jsoup', name: 'jsoup', version: '1.21.1'
-    testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver3-junit5', version: '5.0.0-alpha.17'
+    testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver3-junit5', version: '5.1.0'
 
 
 }