diff --git a/lib/kamal/configuration/proxy/boot.rb b/lib/kamal/configuration/proxy/boot.rb
index 9f8c6f5c..7cdd6a06 100644
--- a/lib/kamal/configuration/proxy/boot.rb
+++ b/lib/kamal/configuration/proxy/boot.rb
@@ -1,5 +1,5 @@
 class Kamal::Configuration::Proxy::Boot
-  MINIMUM_VERSION = "v0.8.7"
+  MINIMUM_VERSION = "v0.9.0"
   DEFAULT_HTTP_PORT = 80
   DEFAULT_HTTPS_PORT = 443
   DEFAULT_LOG_MAX_SIZE = "10m"
diff --git a/test/integration/docker/deployer/setup.sh b/test/integration/docker/deployer/setup.sh
index 24f39d7f..1ad7998b 100755
--- a/test/integration/docker/deployer/setup.sh
+++ b/test/integration/docker/deployer/setup.sh
@@ -20,7 +20,7 @@ push_image_to_registry_4443() {
 install_kamal
 push_image_to_registry_4443 nginx 1-alpine-slim
 push_image_to_registry_4443 busybox 1.36.0
-push_image_to_registry_4443 basecamp/kamal-proxy v0.8.7
+push_image_to_registry_4443 basecamp/kamal-proxy v0.9.0
 
 # .ssh is on a shared volume that persists between runs. Clean it up as the
 # churn of temporary vm IPs can eventually create conflicts.