diff --git a/Tutorial/Source/HodgkinHuxley.py b/Tutorial/Source/HodgkinHuxley.py
index 7bdc657..6dc0fc9 100644
--- a/Tutorial/Source/HodgkinHuxley.py
+++ b/Tutorial/Source/HodgkinHuxley.py
@@ -290,7 +290,7 @@ def Main(self, init_values=[-64.99584, 0.05296, 0.59590, 0.31773]):
 
             fig=plt.figure(figsize=(7, self.num_plots * 2))
             fig.canvas.header_visible = False
-            plt.xlim([np.min(self.t),np.max(self.t)])  #for all subplots
+            # plt.xlim([np.min(self.t),np.max(self.t)])  #for all subplots
 
             if self.injected_current_plot:
                 ax1 = plt.subplot(self.num_plots,1,self.plot_count + 1)
diff --git a/requirements.txt b/requirements.txt
index d4be606..4d42669 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 scipy
 numpy
-matplotlib==3.5.1
+matplotlib
 ipywidgets
 ipympl