diff --git a/pubspec.lock b/pubspec.lock
index 7c4ae57..baeb10f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -4,8 +4,8 @@
   meta:
     description: meta
     source: hosted
-    version: "0.5.16"
+    version: "0.5.20"
   unittest:
     description: unittest
     source: hosted
-    version: "0.5.16"
+    version: "0.5.20"