diff --git a/stack-8.8.yaml b/stack-8.8.yaml
index 4f3c0e4..e794cdb 100644
--- a/stack-8.8.yaml
+++ b/stack-8.8.yaml
@@ -1,4 +1,4 @@
-resolver: lts-17.8
+resolver: lts-16.31
 
 packages:
   - '.'