diff --git a/requirements.txt b/requirements.txt
index d69c7037a0..f5074bdfb1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ fabio >= 0.9
 pyopencl; platform_machine in "i386, x86_64, AMD64"  # For silx.opencl
 Mako                      # For pyopencl reduction
 qtconsole                 # For silx.gui.console
-matplotlib >= 1.2.0       # For silx.gui.plot
+matplotlib >= 3.1.0       # For silx.gui.plot
 PyOpenGL                  # For silx.gui.plot3d
 python-dateutil           # For silx.gui.plot
 scipy                     # For silx.math.fit demo, silx.image.sift demo, silx.image.sift.test
diff --git a/setup.py b/setup.py
index 7fa1b50dd5..75d72bc5fa 100644
--- a/setup.py
+++ b/setup.py
@@ -183,7 +183,7 @@ def get_project_configuration():
         "Mako",
         # gui
         "qtconsole",
-        "matplotlib>=1.2.0",
+        "matplotlib>=3.1.0",
         "PyOpenGL",
         "python-dateutil",
         "PyQt5",