1 files changed, 1 insertions, 3 deletions
diff --git a/stack.yaml b/stack.yaml
index abbdc98..a1a2869 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,7 +1,5 @@
 packages:
 - '.'
-resolver: lts-8.12
+resolver: lts-9.0
 extra-deps:
-- posix-pty-0.2.1.1
-- websockets-0.11.1.0
 explicit-setup-deps: