diff --git a/hack/stack.sh b/hack/stack.sh
index ff0b80ac..90bd2728 100755
--- a/hack/stack.sh
+++ b/hack/stack.sh
@@ -57,6 +57,9 @@ curl -fsSL https://get.docker.com -o /tmp/get-docker.sh
 sudo sh /tmp/get-docker.sh
 sudo usermod -aG docker $USER
 
+# Docker tinks with firewalls
+iptables -I DOCKER-USER -j ACCEPT
+
 # Install `kind` CLI
 sudo curl -Lo /usr/local/bin/kind https://kind.sigs.k8s.io/dl/v0.16.0/kind-linux-amd64
 sudo chmod +x /usr/local/bin/kind