diff --git a/relecov_core/utils/plotly_dash_graphics.py b/relecov_core/utils/plotly_dash_graphics.py
index ca7e564..38ff693 100644
--- a/relecov_core/utils/plotly_dash_graphics.py
+++ b/relecov_core/utils/plotly_dash_graphics.py
@@ -2,7 +2,7 @@
 from django_plotly_dash import DjangoDash
 from dash.dependencies import Input, Output
 from dash import dcc, html
-from plotly.express import bar
+import plotly.express as px
 from dash.exceptions import PreventUpdate
 
 
@@ -12,7 +12,7 @@ def dash_bar_lab(option_list, data):
         option.append({"label": opt_list, "value": opt_list})
 
     app = DjangoDash("samplePerLabGraphic")
-    empty_fig = bar(x=[0], y=[0], height=300)
+    empty_fig = px.bar(x=[0], y=[0], height=300)
 
     app.layout = html.Div(
         [
@@ -45,7 +45,7 @@ def update_graph(select_lab_name):
         if select_lab_name == 1:
             raise PreventUpdate
         sub_data = data[data.lab_name == select_lab_name]
-        graph = bar(
+        graph = px.bar(
             sub_data,
             x=sub_data["date"],
             y=sub_data["num_samples"],
diff --git a/relecov_core/utils/plotly_graphics.py b/relecov_core/utils/plotly_graphics.py
index 3c24845..aa58cba 100644
--- a/relecov_core/utils/plotly_graphics.py
+++ b/relecov_core/utils/plotly_graphics.py
@@ -1,8 +1,8 @@
 # Generic imports
 from plotly.offline import plot
-from plotly.graph_objects import Figure, Bar, Scatter, Indicator, Pie
-from plotly.express import bar
-from plotly.figure_factory import create_bullet
+import plotly.graph_objects as go
+import plotly.express as px
+import plotly.figure_factory as ff
 from dash_bio import NeedlePlot
 from dash import dcc, html
 from django_plotly_dash import DjangoDash
@@ -15,10 +15,10 @@ def bar_graphic(data, col_names, legend, yaxis, options):
         colors = options["colors"]
     else:
         colors = ["#0099ff", "#1aff8c", "#ffad33", "#ff7733", "#66b3ff", "#66ffcc"]
-    fig = Figure()
+    fig = go.Figure()
     for idx in range(1, len(col_names)):
         fig.add_trace(
-            Bar(
+            go.Bar(
                 x=data[col_names[0]],
                 y=data[col_names[idx]],
                 name=legend[idx - 1],
@@ -53,8 +53,8 @@ def bar_graphic(data, col_names, legend, yaxis, options):
 
 def line_graphic(x_data, y_data, options):
     # Create line
-    fig = Figure()
-    fig.add_trace(Scatter(x=x_data, y=y_data, mode="lines", name="lines"))
+    fig = go.Figure()
+    fig.add_trace(go.Scatter(x=x_data, y=y_data, mode="lines", name="lines"))
 
     fig.update_layout(
         height=options["height"],
@@ -73,7 +73,7 @@ def line_graphic(x_data, y_data, options):
 
 
 def histogram_graphic(data, col_names, options):
-    graph = bar(
+    graph = px.bar(
         data, y=col_names[1], x=col_names[0], text_auto=True, width=options["width"]
     )
     # Customize aspect
@@ -96,8 +96,8 @@ def histogram_graphic(data, col_names, options):
 
 
 def gauge_graphic(data):
-    graph = Figure(
-        Indicator(
+    graph = go.Figure(
+        go.Indicator(
             mode="gauge+number",
             value=data["value"],
             number={"suffix": "%"},
@@ -125,7 +125,7 @@ def bullet_graphic(value, title):
     ]
 
     measure_colors = ["rgb(68, 107, 162)", "rgb(0, 153, 0)"]
-    fig = create_bullet(
+    fig = ff.create_bullet(
         data,
         titles="label",
         title=title,
@@ -157,8 +157,8 @@ def pie_graphic(data, names, title, show_legend=False):
         "darkorange",
         "turquoise",
     ]
-    fig = Figure(
-        data=Pie(
+    fig = go.Figure(
+        data=go.Pie(
             labels=names,
             values=data,
         )
diff --git a/relecov_core/utils/samples.py b/relecov_core/utils/samples.py
index ab19575..c510b9f 100644
--- a/relecov_core/utils/samples.py
+++ b/relecov_core/utils/samples.py
@@ -4,7 +4,7 @@
 import shutil
 from collections import OrderedDict
 from datetime import datetime
-from pandas import DataFrame as PandasDataFrame
+import pandas as pd
 from django.contrib.auth.models import Group, User
 from django.core.files.storage import FileSystemStorage
 from django.conf import settings
@@ -292,7 +292,7 @@ def create_date_sample_bar(lab_sample, cust_data):
     """Create bar graph where X-axis are the dates and Y-axis the number of
     samples
     """
-    df = PandasDataFrame(lab_sample.items(), columns=cust_data["col_names"])
+    df = pd.DataFrame(lab_sample.items(), columns=cust_data["col_names"])
     histogram = relecov_core.utils.plotly_graphics.histogram_graphic(
         df, cust_data["col_names"], cust_data["options"]
     )
@@ -303,7 +303,7 @@ def create_dash_bar_for_each_lab():
     """Function collect the list of lab and the samples per date per each lab
     and call dash plotly function to display
     """
-    df_data = PandasDataFrame(get_sample_per_date_per_all_lab(detailed=True))
+    df_data = pd.DataFrame(get_sample_per_date_per_all_lab(detailed=True))
     relecov_core.utils.plotly_dash_graphics(get_all_lab_list(), df_data)
     return
 
diff --git a/relecov_core/utils/samples_map.py b/relecov_core/utils/samples_map.py
index 7efa350..013b561 100644
--- a/relecov_core/utils/samples_map.py
+++ b/relecov_core/utils/samples_map.py
@@ -2,7 +2,7 @@
 import os
 import json
 import pandas as pd
-from plotly.express import choropleth_mapbox
+import plotly.express as px
 from dash import dcc, html
 from django_plotly_dash import DjangoDash
 
@@ -37,7 +37,7 @@ def create_samples_received_map():
             data["samples"].append("0")
     ldata = pd.DataFrame(data)
 
-    fig = choropleth_mapbox(
+    fig = px.choropleth_mapbox(
         ldata,
         geojson=counties,
         locations=ldata.ccaa_id,