diff --git a/testng/build.gradle b/testng/build.gradle
index a38fd35..aac52e4 100644
--- a/testng/build.gradle
+++ b/testng/build.gradle
@@ -1,6 +1,6 @@
 dependencies {
     compile project(':core')
-    compile 'org.apache.httpcomponents:httpclient:4.5.2'
+    compile 'org.apache.httpcomponents:httpclient:4.5.13'
     compile 'org.testng:testng:6.9.9'
     compile group: 'org.json', name: 'json', version: '20160810'
     testCompile group: 'org.mockito', name: 'mockito-all', version: '1.9.5'