diff --git a/go.mod b/go.mod
index 75d0c62e..3ad544cf 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/giantswarm/microkit
 
 go 1.25.0
 
-toolchain go1.26.4
+toolchain go1.26.6
 
 require (
 	github.com/giantswarm/microerror v0.4.1