diff --git a/go.mod b/go.mod
index 3d273b0ee..0a410d1f3 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/uhthomas/automata
 
 go 1.22.2
 
-toolchain go1.22.3
+toolchain go1.23.4
 
 require (
 	cuelang.org/go v0.7.0