diff --git a/pkgs/by-name/bunpen/integration_test b/pkgs/by-name/bunpen/integration_test
index 396c8693d..43c31f6a6 100755
--- a/pkgs/by-name/bunpen/integration_test
+++ b/pkgs/by-name/bunpen/integration_test
@@ -364,6 +364,25 @@ test_11_dbus_07_proxy_own() {
   ! bunpen --bunpen-path /nix/store dbus-test-tool echo --name="com.example.Echo1"
 }
 
+test_11_dbus_08_proxy_partial_sandbox() {
+  dbus_daemon_setup
+  dbus-test-tool echo --name=com.example.Echo1 &
+  sleep 1 # wait for readiness
+
+  bunpen --bunpen-path /nix/store --bunpen-cap all --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+  bunpen --bunpen-path /nix/store --bunpen-keep-ipc --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+  bunpen --bunpen-path /nix/store --bunpen-keep-net --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+  bunpen --bunpen-path /nix/store --bunpen-try-keep-users --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+  mkdir file-for-test ;
+    bunpen --bunpen-path /nix/store --bunpen-path file-for-test --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+  bunpen --bunpen-path /nix/store --bunpen-path /proc --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+
+  # TODO: fix dbus proxying with --bunpen-keep-pid!
+  #   i think this fails because i'm using `xdg-dbus-proxy --fd=...` to signal readiness, but that flag also causes xdg-dbus-proxy to exit when the fd is closed
+  #   (e.g. when we `exec`!)
+  # bunpen --bunpen-path /nix/store --bunpen-keep-pid --bunpen-path /proc --bunpen-dbus-talk 'com.example.Echo1' busctl --user call com.example.Echo1 / com.example.Echo1 echo s "hello"
+}
+
 runTests() {
   local testsToRun=("$@")
   rc=0