diff --git a/src/Cards.hs b/src/Cards.hs
index c62fba1..ea49948 100644
--- a/src/Cards.hs
+++ b/src/Cards.hs
@@ -23,7 +23,6 @@ module Cards
   , Parser -- Other stuff
   ) where
 
-import           Control.Applicative
 import           Control.Monad
 import           Data.Function
 import           Data.List
diff --git a/stack.yaml b/stack.yaml
index ed7a3ca..8758216 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -15,7 +15,7 @@
 # resolver:
 #  name: custom-snapshot
 #  location: "./custom-snapshot.yaml"
-resolver: lts-10.9
+resolver: lts-11.16
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.