diff --git a/stack.yaml b/stack.yaml
index 5dd9243..bf867f3 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,10 +1,14 @@
-resolver: lts-8.4
+resolver: lts-11.8
 packages:
 - '.'
 extra-deps:
-- hspec-2.4.4
-- hspec-core-2.4.4
-- hspec-discover-2.4.4
-- quickcheck-io-0.2.0
+- base-compat-batteries-0.10.1
+- base-compat-0.10.1
+- hspec-discover-2.5.0
+- hspec-core-2.5.0
+- hspec-2.5.0
+# aeson pre-1.3.1.0 has an upper bound on `base-compat-batteries` that preclude
+# the 0.10.1 that we depend on
+- aeson-1.3.1.0
 flags: {}
 extra-package-dbs: []