1 files changed, 1 insertions, 1 deletions

diff --git a/stack.yaml b/stack.yaml
index be06145..2de8cca 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,6 +1,6 @@
 packages:
 - '.'
-resolver: lts-8.9
+resolver: lts-8.12
 extra-deps:
 - posix-pty-0.2.1
 explicit-setup-deps: