diff --git a/setup.py b/setup.py
index 038c47b..2c2e38e 100644
--- a/setup.py
+++ b/setup.py
@@ -93,9 +93,9 @@ setup_args = dict(
         "python-dateutil",
         "jupyter",
         "notebook>=4.2",
-        "nbconvert==5.6.1",
+        "nbconvert>=5.6.1",
         "nbformat",
-        "traitlets==4.3.3",
+        "traitlets>=4.3.3",
         "jupyter_core",
         "jupyter_client",
         "tornado",