diff --git a/peakdet/editor.py b/peakdet/editor.py
index c723ae4..e3cd0ba 100644
--- a/peakdet/editor.py
+++ b/peakdet/editor.py
@@ -3,10 +3,12 @@
 
 import functools
 
+import matplotlib
 import matplotlib.pyplot as plt
 import numpy as np
 from loguru import logger
 from matplotlib.widgets import SpanSelector
+from packaging.version import Version
 
 from peakdet import operations, utils
 
@@ -60,13 +62,20 @@ def __init__(self, data):
         delete = functools.partial(self.on_edit, method="delete")
         reject = functools.partial(self.on_edit, method="reject")
         insert = functools.partial(self.on_edit, method="insert")
+
+        # Check matplotlib version rectprops is deprecated with matplotlib 3.5.0 and then obsolete
+        if Version(matplotlib.__version__) >= Version("3.5.0"):
+            property_name = "props"
+        else:
+            property_name = "rectprops"
+
         self.span2 = SpanSelector(
             self.ax,
             delete,
             "horizontal",
             button=1,
             useblit=True,
-            rectprops=dict(facecolor="red", alpha=0.3),
+            **{property_name: dict(facecolor="red", alpha=0.3)},
         )
         self.span1 = SpanSelector(
             self.ax,
@@ -74,7 +83,7 @@ def __init__(self, data):
             "horizontal",
             button=2,
             useblit=True,
-            rectprops=dict(facecolor="blue", alpha=0.3),
+            **{property_name: dict(facecolor="blue", alpha=0.3)},
         )
         self.span3 = SpanSelector(
             self.ax,
@@ -82,7 +91,7 @@ def __init__(self, data):
             "horizontal",
             button=3,
             useblit=True,
-            rectprops=dict(facecolor="green", alpha=0.3),
+            **{property_name: dict(facecolor="green", alpha=0.3)},
         )
 
         self.plot_signals(False)
diff --git a/setup.cfg b/setup.cfg
index 411ee9f..4c40e59 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,7 +21,7 @@ provides =
 [options]
 python_requires = >=3.6.1
 install_requires =
-    matplotlib >=3.1.1, <=3.6.3, !=3.3.0rc1
+    matplotlib >=3.1.1
     numpy >=1.9.3
     scipy
     loguru