diff --git a/go.mod b/go.mod
index 08fe3be..f912c84 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/elastic/celfmt
 
 go 1.25.0
 
-toolchain go1.26.3
+toolchain go1.26.4
 
 require (
 	github.com/elastic/mito v1.25.1