diff --git a/go.mod b/go.mod
index 700d84bb3..521d469e7 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/nginx/agent/v3
 
 go 1.25.0
 
-toolchain go1.25.11
+toolchain go1.26.4
 
 require (
 	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260415201107-50325440f8f2.1