diff --git a/stack.yaml b/stack.yaml
index 9d41233..ff5c8ba 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -3,4 +3,4 @@ packages:
 - '.'
 extra-deps: [cond-0.4.1.1]
 compiler-check: newer-minor
-resolver: lts-5.9
+resolver: lts-6.10