diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 7ca71b5aa7..de5a2c1a30 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -61,6 +61,9 @@
       <module name="node-api_test" target="1.8" />
       <module name="node-capsule_main" target="1.6" />
       <module name="node-capsule_test" target="1.6" />
+      <module name="node-driver_integrationTest" target="1.8" />
+      <module name="node-driver_main" target="1.8" />
+      <module name="node-driver_test" target="1.8" />
       <module name="node-schemas_main" target="1.8" />
       <module name="node-schemas_test" target="1.8" />
       <module name="node_integrationTest" target="1.8" />
diff --git a/node-api/build.gradle b/node-api/build.gradle
index a0844f5f13..88892c4eff 100644
--- a/node-api/build.gradle
+++ b/node-api/build.gradle
@@ -32,7 +32,7 @@ dependencies {
     compile "de.javakaffee:kryo-serializers:0.41"
 
     // For AMQP serialisation.
-    compile "org.apache.qpid:proton-j:0.19.0"
+    compile "org.apache.qpid:proton-j:0.21.0"
 
     // Unit testing helpers.
     testCompile "junit:junit:$junit_version"