diff --git a/stack.yaml b/stack.yaml
index 3342ba6..ade7b71 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -17,8 +17,7 @@
 #
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
-resolver:
-  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/16/15.yaml
+resolver: lts-16.15
 
 # User packages to be built.
 # Various formats can be used as shown in the example below.