diff --git a/stack.yaml b/stack.yaml
index 656063846..3d46b814f 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -12,7 +12,7 @@ extra-deps:
 - doctemplates-0.10
 - emojis-0.1.2
 - doclayout-0.3.1.1
-- lpeg-1.0.0
+- lpeg-1.0.1
 - hslua-2.0.1
 - hslua-classes-2.0.0
 - hslua-core-2.0.0.2