diff --git a/lumen/ui/dashboard.py b/lumen/ui/dashboard.py
index c69ae3011..dd0e643ce 100644
--- a/lumen/ui/dashboard.py
+++ b/lumen/ui/dashboard.py
@@ -68,9 +68,9 @@ class DashboardGallery(WizardItem, Gallery):
 
     def __init__(self, **params):
         super().__init__(**params)
-        self.editor = pn.widgets.Ace(
+        self.editor = pn.widgets.CodeEditor(
             language='yml', sizing_mode='stretch_both', theme='dracula',
-            margin=(0, 20), height=400
+            margin=(0, 20), min_height=400
         )
         self.upload = pn.widgets.FileInput(
             sizing_mode='stretch_width', margin=(0, 20), height=50
diff --git a/lumen/ui/sources.py b/lumen/ui/sources.py
index e8428389e..bf78b221b 100644
--- a/lumen/ui/sources.py
+++ b/lumen/ui/sources.py
@@ -293,7 +293,7 @@ class IntakeSourceEditor(SourceEditor):
     def __init__(self, **params):
         import lumen.sources.intake  # noqa
         params.pop('source_type', None)
-        self.editor = pn.widgets.Ace(language='yaml', theme='dracula', margin=0, sizing_mode='stretch_width')
+        self.editor = pn.widgets.CodeEditor(language='yaml', theme='dracula', margin=0, sizing_mode='stretch_width')
         self.upload = pn.widgets.FileInput(sizing_mode='stretch_width', margin=0)
         super().__init__(**params)