diff --git a/app/current-output.hs b/app/current-output.hs
index 6272f3e..151707b 100644
--- a/app/current-output.hs
+++ b/app/current-output.hs
@@ -22,7 +22,7 @@ module Main (main) where
 --    _NET_DESKTOP_VIEWPORT
 -- 3) Find the name of the xrandr output whose position matches that from (2)
 
-import           Data.Maybe               (catMaybes, maybe)
+import           Data.Maybe
 
 import           Graphics.X11.Types
 import           Graphics.X11.Xlib
diff --git a/app/rofi-dev.hs b/app/rofi-dev.hs
index 482402a..b3cc037 100644
--- a/app/rofi-dev.hs
+++ b/app/rofi-dev.hs
@@ -15,11 +15,11 @@ import           Bitwarden.Internal
 import           Control.Monad
 import           Control.Monad.Reader
 
+import           Data.Aeson
 import           Data.List
 import           Data.List.Split       (splitOn)
 import qualified Data.Map              as M
 import           Data.Maybe
-import qualified Data.Text             as T
 import qualified Data.Vector           as V
 import           Data.Yaml
 
@@ -264,7 +264,7 @@ data ProtoAction a = ProtoAction a (RofiMountIO ())
 defaultTries :: Integer
 defaultTries = 2
 
-(.:&) :: FromJSON a => Object -> T.Text -> Parser (V.Vector a)
+(.:&) :: FromJSON a => Object -> Key -> Parser (V.Vector a)
 (.:&) o t = o .:? t .!= V.empty
 
 data MountConfig = MountConfig
diff --git a/stack.yaml b/stack.yaml
index f5b329d..53c538a 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -17,7 +17,7 @@
 #
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
-resolver: lts-14.12
+resolver: lts-19.17
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.
diff --git a/stack.yaml.lock b/stack.yaml.lock
index a311fe3..9648c3f 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -6,7 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    size: 545658
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/14/12.yaml
-    sha256: 26b807457213126d26b595439d705dc824dbb7618b0de6b900adc2bf6a059406
-  original: lts-14.12
+    size: 619161
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/19/17.yaml
+    sha256: 7f47507fd037228a8d23cf830f5844e1f006221acebdd7cb49f2f5fb561e0546
+  original: lts-19.17