diff --git a/stack.yaml b/stack.yaml
index a9f40f4..97eff2d 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-19.25
+resolver: lts-19.31
 
 packages:
   - summoner-cli/
@@ -9,8 +9,6 @@ extra-deps:
   - bimap-0.5.0 # for brick
   - text-zipper-0.12 # for brick
   - colourista-0.1.0.2
-  - megaparsec-9.0.1
-  - microaeson-0.1.0.0
   - tomland-1.3.3.2
   - validation-selective-0.1.0.1
   - vty-5.37