diff --git a/stack.yaml b/stack.yaml
index be35363c..8d3909b1 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,5 +1,5 @@
 # the GHC version of this resolver needs to match the GHC version in Dockerfile
-resolver: lts-18.18
+resolver: lts-18.19
 allow-newer: true
 
 flags: {}