diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
index 2b369a45bca71437871394fc75e6d171326c4979..cdb63cc1ccc50487ee3f7948a029598afa307731 100644
--- a/CONTRIBUTIONS.md
+++ b/CONTRIBUTIONS.md
@@ -49,3 +49,5 @@ Thanks to the following people:
 [jmcarcell](https://github.com/jmcarcell)
 
 [gdalmau](https://github.com/gdalmau)
+
+[rosscg](https://github.com/rosscg)
diff --git a/setup.py b/setup.py
index 6dbfad063c2847b265b1ce55b4e33f643f38a17a..793079baf3ccdcb869a644ab76f85de2c0b745c7 100644
--- a/setup.py
+++ b/setup.py
@@ -46,8 +46,13 @@ setup(
                         'dash-html-components',
                         'dash-renderer',
                         'dpd-components',
-                        'Django>=2.2',
-                        'Flask>=1.0.2'],
+
+                        'dash-bootstrap-components<1',
+                        'channels<3.0',
+                        'Django>=2.2,<4.0.0',
+                        'Flask>=1.0.2',
+                        'Werkzeug>=2.0,<2.1',
+    ],
     python_requires=">=3.6",
     )