diff --git a/stack.yaml b/stack.yaml
index f0f2e6820..d6c9751d4 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -3,6 +3,6 @@ packages:
 - hledger
 - hledger-web
 flags: {}
-resolver: nightly-2015-06-17
+resolver: nightly-2015-07-01
 extra-deps:
 - timeit-1.0.0.0