diff --git a/docs/requirements.txt b/docs/requirements.txt
index 687253f..a2b4040 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -7,8 +7,9 @@ wget
 numba
 numpy
 matplotlib
+ipympl
 pygments
 scipy
 h5py
 tqdm
-openpmd_viewer
\ No newline at end of file
+openpmd_viewer
diff --git a/openpmd_viewer/openpmd_timeseries/interactive.py b/openpmd_viewer/openpmd_timeseries/interactive.py
index fe78a6e..d44aa40 100644
--- a/openpmd_viewer/openpmd_timeseries/interactive.py
+++ b/openpmd_viewer/openpmd_timeseries/interactive.py
@@ -97,8 +97,8 @@ def refresh_field(change=None, force=False):
                         "\n\nIt seems that you are using ipywidgets 7 and "
                         "`%matplotlib inline`. \nThis can cause issues when "
                         "using `slider`.\nIn order to avoid this, you "
-                        "can either:\n- use `%matplotlib notebook`\n- or "
-                        "downgrade to ipywidgets 6 (with `pip` or `conda`).",
+                        "can either:\n- use `%matplotlib widget`\n- or "
+                        "upgrade ipywidgets to version 8 (with `pip` or `conda`).",
                         UserWarning)
 
                 # Handle plotting options
diff --git a/openpmd_viewer/openpmd_timeseries/plotter.py b/openpmd_viewer/openpmd_timeseries/plotter.py
index 6742c59..8585172 100644
--- a/openpmd_viewer/openpmd_timeseries/plotter.py
+++ b/openpmd_viewer/openpmd_timeseries/plotter.py
@@ -421,4 +421,4 @@ def check_matplotlib():
         warnings.warn("\n\nIt seems that you are using the matplotlib MacOSX "
         "backend. \n(This typically obtained when typing `%matplotlib`.)\n"
         "With recent version of Jupyter, the plots might not appear.\nIn this "
-        "case, switch to `%matplotlib notebook` and restart the notebook.")
+        "case, switch to `%matplotlib widget` and restart the notebook.")