diff --git a/pubspec.yaml b/pubspec.yaml
index 68ab0ab2..083a892a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,6 +9,7 @@ dependencies:
   angel_auth: ^1.1.0-alpha
   angel_client: ^1.1.0-alpha
   angel_framework: ^1.1.0-alpha
+  dart2_constant: ^1.0.0
   http: ^0.11.0
   json_god: ^2.0.0-beta
   merge_map: ^1.0.0