diff --git a/go.mod b/go.mod
index 9a1c867..2e00ebd 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,6 @@ module github.com/giantswarm/microerror
 
 go 1.21
 
-toolchain go1.26.2
+toolchain go1.26.4
 
 require github.com/google/go-cmp v0.7.0