diff --git a/docker-compose.yaml b/docker-compose.yaml
index a2b4043..9300e73 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,4 +1,3 @@
-version: "3"
 services:
   etcd:
     image: quay.io/coreos/etcd:v3.5.9
diff --git a/go.mod b/go.mod
index cfe4ad2..c1a047e 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/mailgun/holster/v4
 
 go 1.21
 
-toolchain go1.22.2
+toolchain go1.21.12
 
 require (
 	github.com/Shopify/toxiproxy v2.1.4+incompatible