diff --git a/roles/debian/files/debian-12-add-lv5-rctrl-switch.patch b/roles/debian/files/debian-12-add-lv5-rctrl-switch.patch
new file mode 100644
index 0000000..ba124a4
--- /dev/null
+++ b/roles/debian/files/debian-12-add-lv5-rctrl-switch.patch
@@ -0,0 +1,50 @@
+---
+  Add the lv5:rctrl_switch option to xkeyboard-config for Debian 12.
+  This isn't in a release until xkeyboard-config v2.36.
+
+  Apply it (as root) with:
+
+    cd /usr/share/X11/xkb/rules
+    patch -p1 < /path/to/this/file.patch
+
+  Based on:
+  https://github.com/freedesktop/xkeyboard-config/commit/da0a43b97aba73a6d60bb20d739b381748a56bba
+
+diff -u a/base b/base
+--- a/base      2023-01-22 17:03:50.604229639 +0000
++++ b/base      2023-01-22 17:04:13.051789551 +0000
+@@ -1264,6 +1264,7 @@
+   lv3:lsgt_switch_latch              =       +level3(lsgt_switch_latch)
+   lv5:lsgt_switch                 =       +level5(lsgt_switch)
+   lv5:ralt_switch                 =       +level5(ralt_switch)
++  lv5:rctrl_switch                =       +level5(rctrl_switch)
+   lv5:lsgt_switch_lock            =       +level5(lsgt_switch_lock)
+   lv5:ralt_switch_lock            =       +level5(ralt_switch_lock)
+   lv5:lwin_switch_lock            =       +level5(lwin_switch_lock)
+diff -u a/base.xml b/base.xml
+--- a/base.xml  2023-01-22 17:03:50.608229561 +0000
++++ b/base.xml  2023-01-22 17:04:13.051789551 +0000
+@@ -7858,6 +7858,12 @@
+       </option>
+       <option>
+         <configItem>
++          <name>lv5:rctrl_switch</name>
++          <description>Right Ctrl chooses 5th level</description>
++        </configItem>
++      </option>
++      <option>
++        <configItem>
+           <name>lv5:lsgt_switch_lock</name>
+           <description>The "&lt; &gt;" key chooses 5th level and acts as a one-time lock if pressed with another 5th level chooser</description>
+         </configItem>
+diff -u a/evdev b/evdev
+--- a/evdev     2023-01-22 17:03:50.608229561 +0000
++++ b/evdev     2023-01-22 17:04:13.055789472 +0000
+@@ -1151,6 +1151,7 @@
+   lv3:lsgt_switch_latch              =       +level3(lsgt_switch_latch)
+   lv5:lsgt_switch                 =       +level5(lsgt_switch)
+   lv5:ralt_switch                 =       +level5(ralt_switch)
++  lv5:rctrl_switch                =       +level5(rctrl_switch)
+   lv5:lsgt_switch_lock            =       +level5(lsgt_switch_lock)
+   lv5:ralt_switch_lock            =       +level5(ralt_switch_lock)
+   lv5:lwin_switch_lock            =       +level5(lwin_switch_lock)
diff --git a/roles/debian/tasks/xkb-lv5.yml b/roles/debian/tasks/xkb-lv5.yml
index b51cff0..bcc274a 100644
--- a/roles/debian/tasks/xkb-lv5.yml
+++ b/roles/debian/tasks/xkb-lv5.yml
@@ -20,3 +20,10 @@
     basedir: /usr/share/X11/xkb/rules
     strip: 1
   when: ansible_distribution_version == "11"
+- name: Enable lv5:rctrl_switch on Debian 12
+  become: true
+  ansible.posix.patch:
+    src: debian-12-add-lv5-rctrl-switch.patch
+    basedir: /usr/share/X11/xkb/rules
+    strip: 1
+  when: ansible_distribution_version == "12"