diff --git a/environment.yml b/environment.yml
index 30fa7c0dea696..1347ed696f1c2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -70,7 +70,7 @@ dependencies:
 
   # unused (required indirectly may be?)
   - ipywidgets
-  - nbformat=5.0.8
+  - nbformat
   - notebook>=5.7.5
   - pip
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3e421c7715566..a53bedb87241d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,7 +44,7 @@ pytest-instafail
 seaborn
 statsmodels
 ipywidgets
-nbformat==5.0.8
+nbformat
 notebook>=5.7.5
 pip
 blosc