diff --git a/unstable/cosmic-toplevel-management-unstable-v1.xml b/unstable/cosmic-toplevel-management-unstable-v1.xml
index 4af3819f61..cb2c42913a 100644
--- a/unstable/cosmic-toplevel-management-unstable-v1.xml
+++ b/unstable/cosmic-toplevel-management-unstable-v1.xml
@@ -4,7 +4,7 @@
     Copyright © 2018 Ilia Bozhinov
     Copyright © 2020 Isaac Freund
     Copyright © 2022 wb9688
-    Copyright © 2022 Victoria Brekenfeld
+    Copyright © 2024 Victoria Brekenfeld
 
     Permission to use, copy, modify, distribute, and sell this
     software and its documentation for any purpose is hereby granted
@@ -28,7 +28,7 @@
     THIS SOFTWARE.
   </copyright>
 
-  <interface name="zcosmic_toplevel_manager_v1" version="2">
+  <interface name="zcosmic_toplevel_manager_v1" version="3">
     <description summary="control open apps">
       This protocol allows clients such as a taskbar to request the compositor
       to preform typical actions on open toplevels. The compositor is in all
@@ -50,6 +50,7 @@
       <entry name="minimize" value="4" summary="set_minimized and unset_minimized requests are available"/>
       <entry name="fullscreen" value="5" summary="set_fullscreen and unset_fullscreen requests are available"/>
       <entry name="move_to_workspace" value="6" since="2" summary="move_to_workspace request is available"/>
+      <entry name="sticky" value="7" since="3" summary="set_sticky and unset_sticky requests are available"/>
     </enum>
 
     <event name="capabilities">
@@ -177,6 +178,22 @@
       <arg name="output" type="object" interface="wl_output"/>
     </request>
 
+    <request name="set_sticky" since="3">
+      <description summary="request that a toplevel be made sticky">
+        If the compositor honors this request, the
+        zcosmic_toplevel_handle_v1.state event will be sent.
+      </description>
+      <arg name="toplevel" type="object" interface="zcosmic_toplevel_handle_v1"/>
+    </request>
+
+    <request name="unset_sticky" since="3">
+      <description summary="request that a toplevel be removed of the sticky status">
+        If the compositor honors this request, the
+        zcosmic_toplevel_handle_v1.state event will be sent.
+      </description>
+      <arg name="toplevel" type="object" interface="zcosmic_toplevel_handle_v1"/>
+    </request>
+
     <enum name="error">
       <entry name="invalid_rectangle" value="0"
         summary="the provided rectangle is invalid"/>