diff --git a/pyproject.toml b/pyproject.toml
index c0bef50..b8121bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ classifiers = [
         "Operating System :: OS Independent",
     ]
 dependencies = [
-    "textual[syntax] == 0.79",
+    "textual[syntax] == 0.81",
     "rich",
     "platformdirs",
     "pyaml",
diff --git a/src/production_planner/screens.py b/src/production_planner/screens.py
index 11d7f6a..68fc497 100644
--- a/src/production_planner/screens.py
+++ b/src/production_planner/screens.py
@@ -80,26 +80,26 @@ def highlighted_path(self) -> Path:
         current = self.first_dtree.cursor_node
         return None if current is None else current.data.path
 
-    def on_mount(self) -> None:
+    async def on_mount(self) -> None:
         # All these lines to simply move the cursor to the currently open file/folder
         datafile = core.APP.focused_table.sink.sink.target
         if not datafile:
             datafile = DataFile.get(Path(CONFIG.dpath_data) / "")
 
         self.first_dtree = self.FirstDTree(datafile.root)
-        self.mount(self.first_dtree, before=self.query_one(Footer))
+        await self.mount(self.first_dtree, before=self.query_one(Footer))
 
         if self.SecondDTree:
             # TODO: provide a way to change the root for this loading/saving action
             self.second_dtree = self.SecondDTree(datafile.root)
-            self.mount(self.second_dtree, after=self.first_dtree)
+            await self.mount(self.second_dtree, after=self.first_dtree)
 
         if self.entry:
             self.query_one(Input).value = os.path.splitext(str(datafile.subpath.name))[0]
 
         tree = self.first_dtree
         if self.expand_all:
-            tree.expand_all()
+            await tree.expand_all()
 
         def preselect(start=True):
             if start:
diff --git a/tests b/tests
index 80e570a..49023dc 160000
--- a/tests
+++ b/tests
@@ -1 +1 @@
-Subproject commit 80e570a540af6dae42998c2719eb7ba2d3302742
+Subproject commit 49023dc79785860924805d2c347cf74cb720717d