diff --git a/haskell/stack.yaml b/haskell/stack.yaml
index f0d709aac5..1c30b58b48 100644
--- a/haskell/stack.yaml
+++ b/haskell/stack.yaml
@@ -1,3 +1,3 @@
-resolver: lts-10.10
+resolver: lts-14.9
 packages:
   - .