diff --git a/install_macports b/install_macports
index 8c2d220..7422ea1 100755
--- a/install_macports
+++ b/install_macports
@@ -164,7 +164,7 @@ fetch_and_install_package()
 
 install_ports()
 {
-    ports_document "$1" | xargs -J '%' port install '%'
+    ports_document "$1" | xargs -J '%' sudo port install '%'
 }
 
 experimental()
diff --git a/testsuite/run-testsuite-on-macos-11.yaml b/testsuite/run-testsuite-on-macos-11.yaml
index 35f1204..98f96bc 100644
--- a/testsuite/run-testsuite-on-macos-11.yaml
+++ b/testsuite/run-testsuite-on-macos-11.yaml
@@ -11,3 +11,4 @@ ports:
     select: [ tcl, universal ]
   - name: gmp
     select: native
+  - name: dbus
diff --git a/testsuite/run-testsuite-on-macos-12.yaml b/testsuite/run-testsuite-on-macos-12.yaml
index f763fb8..98f96bc 100644
--- a/testsuite/run-testsuite-on-macos-12.yaml
+++ b/testsuite/run-testsuite-on-macos-12.yaml
@@ -5,3 +5,10 @@ variants:
     - aqua
     - metal
   deselect: x11
+ports:
+  - name: db48
+    deselect: [ java ]
+    select: [ tcl, universal ]
+  - name: gmp
+    select: native
+  - name: dbus
diff --git a/testsuite/run-testsuite-on-macos-13.yaml b/testsuite/run-testsuite-on-macos-13.yaml
index 35f1204..98f96bc 100644
--- a/testsuite/run-testsuite-on-macos-13.yaml
+++ b/testsuite/run-testsuite-on-macos-13.yaml
@@ -11,3 +11,4 @@ ports:
     select: [ tcl, universal ]
   - name: gmp
     select: native
+  - name: dbus
diff --git a/testsuite/run-testsuite-on-macos-14.yaml b/testsuite/run-testsuite-on-macos-14.yaml
index 35f1204..45590cb 100644
--- a/testsuite/run-testsuite-on-macos-14.yaml
+++ b/testsuite/run-testsuite-on-macos-14.yaml
@@ -11,3 +11,5 @@ ports:
     select: [ tcl, universal ]
   - name: gmp
     select: native
+  - name: dbus
+