diff --git a/build.gradle b/build.gradle
index 7e4d30b..8ba6911 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,7 +26,7 @@ ext {
     supportLibraryVersion = '27.1.1'
     espressoVersion = '2.2.2'
     retrofitVersionLatest = '2.1.0'
-    okHttp3Version = '3.5.0'
+    okHttp3Version = '3.14.9'
     preference = '1.1.0'
     rxJavaVersion = '1.1.4'
     rxAndroidVersion = '1.1.0'