diff --git a/webviz_config/_theme_class.py b/webviz_config/_theme_class.py
index 9ea9f24c..489c4ecb 100644
--- a/webviz_config/_theme_class.py
+++ b/webviz_config/_theme_class.py
@@ -12,7 +12,7 @@ def __init__(self, theme_name: str):
 
         self._csp = {
             "default-src": "'none'",
-            "connect-src": "'self'",
+            "connect-src": ["'self'", "data:"],
             "style-src": ["'self'", "'unsafe-inline'"],  # [1]
             "script-src": ["'self'", "blob:", "'unsafe-eval'"],  # [blob: 2] [eval: 3]
             "img-src": ["'self'", "data:", "blob:"],  # [4]
diff --git a/webviz_config/templates/copy_data_template.py.jinja2 b/webviz_config/templates/copy_data_template.py.jinja2
index 957d5330..0c3d8944 100644
--- a/webviz_config/templates/copy_data_template.py.jinja2
+++ b/webviz_config/templates/copy_data_template.py.jinja2
@@ -24,6 +24,8 @@ theme = webviz_config.WebvizConfigTheme("{{ theme_name }}")
 theme.from_json((Path(__file__).resolve().parent / "theme_settings.json").read_text())
 theme.plotly_theme_layout_update({{ options.plotly_theme }})
 
+dash._dash_renderer._set_react_version("18.3.1")
+
 app = dash.Dash()
 app.config.suppress_callback_exceptions = True
 
diff --git a/webviz_config/templates/webviz_template.py.jinja2 b/webviz_config/templates/webviz_template.py.jinja2
index 4f3cbd9a..afe9c236 100644
--- a/webviz_config/templates/webviz_template.py.jinja2
+++ b/webviz_config/templates/webviz_template.py.jinja2
@@ -14,7 +14,7 @@ from pathlib import Path
 
 from uuid import uuid4
 
-from dash import html, dcc, Dash, Input, Output, callback, callback_context
+from dash import html, dcc, Dash, Input, Output, callback, callback_context, _dash_renderer
 import webviz_core_components as wcc
 from flask_talisman import Talisman
 import webviz_config
@@ -40,6 +40,8 @@ theme = webviz_config.WebvizConfigTheme("{{ theme_name }}")
 theme.from_json((Path(__file__).resolve().parent / "theme_settings.json").read_text())
 theme.plotly_theme_layout_update({{ options.plotly_theme }})
 
+_dash_renderer._set_react_version("18.3.1")
+
 app = Dash(
     name=__name__,
     external_stylesheets=theme.external_stylesheets,