diff --git a/build.gradle b/build.gradle
index 5e0eed5..b53765c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ targetCompatibility = 1.7
 dependencies {
     compile  "org.embulk:embulk-core:0.8.8"
     provided "org.embulk:embulk-core:0.8.8"
-    compile "org.mongodb:mongo-java-driver:3.2.2"
+    compile "org.mongodb:mongo-java-driver:3.6.1"
 
     testCompile "junit:junit:4.+"
     testCompile "org.embulk:embulk-core:0.8.8:tests"