diff --git a/requirements-github.txt b/requirements-github.txt
index 2ea4f66..5d18e8c 100644
--- a/requirements-github.txt
+++ b/requirements-github.txt
@@ -1,7 +1,7 @@
 pyyaml>=6.0
 pycodestyle>=2.9.1
 netCDF4>=1.6.1
-matplotlib==3.5.2
+matplotlib==3.9.0
 cartopy>=0.21.1
 scikit-learn>=1.1.2
 xarray>=2022.6.0
diff --git a/requirements_emc.txt b/requirements_emc.txt
index 7b52934..590005e 100644
--- a/requirements_emc.txt
+++ b/requirements_emc.txt
@@ -2,7 +2,7 @@ setuptools>=59.4.0
 pyyaml>=6.0
 pycodestyle>=2.8.0
 netCDF4>=1.5.3
-matplotlib>=3.7.1
+matplotlib>=3.9.0
 cartopy>=0.21.1
 scipy>=1.9.3
 xarray>=2022.3.0