diff --git a/ci/requirements.txt b/ci/requirements.txt
index c7c4084..54eab37 100644
--- a/ci/requirements.txt
+++ b/ci/requirements.txt
@@ -1,5 +1,5 @@
 #python>=3.8
-matplotlib==3.7.2
+matplotlib==3.8.0
 numpy==1.26.0
 pandas==2.1.0
 xlrd>=1.0.0
diff --git a/ci/requirements_dev.txt b/ci/requirements_dev.txt
index e5fd69a..483301a 100644
--- a/ci/requirements_dev.txt
+++ b/ci/requirements_dev.txt
@@ -1,5 +1,5 @@
 #python>=3.8
-matplotlib==3.7.2
+matplotlib==3.8.0
 numpy==1.26.0
 pandas==2.1.0
 xlrd>=1.0.0