1 files changed, 1 insertions, 1 deletions

diff --git a/stack.yaml b/stack.yaml
index 0fa3f39..c2957f0 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -23,5 +23,5 @@ extra-deps:
 
 - midi-alsa-0.2.1
 
-resolver: lts-3.7
+resolver: lts-4.0
 system-ghc: false