diff --git a/haskell/stack.yaml b/haskell/stack.yaml
index 5ed5f19b..025ad778 100644
--- a/haskell/stack.yaml
+++ b/haskell/stack.yaml
@@ -17,7 +17,7 @@
 #
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
-resolver: lts-22.38
+resolver: lts-22.39
   
 
 # User packages to be built.