diff --git a/go.mod b/go.mod
index 6cd702c..3a6d3ed 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/creachadair/tomledit
 
-go 1.22
+go 1.23
 
 toolchain go1.23.0