diff --git a/stack.yaml b/stack.yaml
index 66a13a5eb..abb32714b 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,7 +1,7 @@
 # Last-tested stack build plan using GHC 8.0.2 (osx sierra compatible)
 # stack.yaml help: https://github.com/commercialhaskell/stack/wiki/stack.yaml
 
-resolver: lts-8.6
+resolver: lts-8.11
 
 packages:
 - hledger-lib