diff --git a/stack.yaml b/stack.yaml
index 95579aa3..34ecb346 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,9 +1,4 @@
-resolver: lts-7.19
+resolver: lts-15.3
 
 packages:
   - ./
-  - ../xmonad
-
-extra-deps:
-  - X11-1.8
-  - X11-xft-0.3.1