diff --git a/templates/Java/libraries/okhttp-gson/JSON.mustache b/templates/Java/libraries/okhttp-gson/JSON.mustache
index 25ad457..8a7d91b 100644
--- a/templates/Java/libraries/okhttp-gson/JSON.mustache
+++ b/templates/Java/libraries/okhttp-gson/JSON.mustache
@@ -33,6 +33,7 @@ import java.util.Date;
 import java.util.Locale;
 import java.util.Map;
 import java.util.HashMap;
+import java.util.Collection;
 /*
 * A JSON utility class
 *