diff --git a/lib/kamal/configuration/docs/proxy.yml b/lib/kamal/configuration/docs/proxy.yml
index fab3501b1..14db919ef 100644
--- a/lib/kamal/configuration/docs/proxy.yml
+++ b/lib/kamal/configuration/docs/proxy.yml
@@ -834,7 +834,7 @@ proxy:
                                    # below already embeds its ghcr.io host
     repository: ghcr.io/zoolutions/kamal-proxy # Container repository for the
                                    # kamal-proxy image (this is the default)
-    version: v1.0.0.3              # Version tag of the kamal-proxy image to use.
+    version: v1.0.0.4              # Version tag of the kamal-proxy image to use.
                                    # Defaults to the minimum version this gem
                                    # requires - only pin it to roll forward early,
                                    # never below the default
diff --git a/lib/kamal/configuration/proxy/run.rb b/lib/kamal/configuration/proxy/run.rb
index 4d2fe474e..2a837dec3 100644
--- a/lib/kamal/configuration/proxy/run.rb
+++ b/lib/kamal/configuration/proxy/run.rb
@@ -1,5 +1,5 @@
 class Kamal::Configuration::Proxy::Run
-  MINIMUM_VERSION = "v1.0.0.3"
+  MINIMUM_VERSION = "v1.0.0.4"
   DEFAULT_HTTP_PORT = 80
   DEFAULT_HTTPS_PORT = 443
   DEFAULT_LOG_MAX_SIZE = "10m"
diff --git a/test/fixtures/kamal_proxy_flags.yml b/test/fixtures/kamal_proxy_flags.yml
index 4f30a2005..578de2a5b 100644
--- a/test/fixtures/kamal_proxy_flags.yml
+++ b/test/fixtures/kamal_proxy_flags.yml
@@ -2,7 +2,7 @@
 # Generated by bin/sync-proxy-flags — do not edit by hand.
 # Refresh whenever MINIMUM_VERSION moves; test/proxy_flag_coverage_test.rb
 # fails while proxy_version here disagrees with MINIMUM_VERSION.
-proxy_version: v1.0.0.3
+proxy_version: v1.0.0.4
 generated_by: bin/sync-proxy-flags
 acme_dns_providers:
 - auto