diff --git a/.go-version b/.go-version
index ae7bbdf..88863fd 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21.10
+1.21.11
diff --git a/go.mod b/go.mod
index e4dcdc5..d3765fe 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module go.etcd.io/gofail
 
 go 1.21
 
-toolchain go1.21.10
+toolchain go1.21.11
 
 require github.com/stretchr/testify v1.9.0