diff --git a/.go-version b/.go-version
index 26d7b6e75..0c5bf37ca 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21.12
+1.21.13
diff --git a/go.mod b/go.mod
index b3365aa2e..81363a7e5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module go.etcd.io/bbolt
 
 go 1.21
 
+toolchain go1.21.13
+
 require (
 	github.com/stretchr/testify v1.8.1
 	go.etcd.io/gofail v0.1.0