update stack to lts-10.4HEADmaster

1 files changed, 1 insertions, 1 deletions

diff --git a/stack.yaml b/stack.yaml
index bd72f13..559b716 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-9.0
+resolver: lts-10.4
 packages:
 - lambdacube-ir.haskell
 extra-deps: []