diff --git a/tests/go.mod b/tests/go.mod
index d9907ec..81dfe2e 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -2,7 +2,7 @@ module tests
 
 go 1.21
 
-toolchain go1.21.1
+toolchain go1.21.4
 
 require (
 	github.com/Shopify/toxiproxy/v2 v2.7.0