diff --git a/python/requirements/requirements_tune.txt b/python/requirements/requirements_tune.txt
index 5ee1b9026f9e..83b4f5ec8cda 100644
--- a/python/requirements/requirements_tune.txt
+++ b/python/requirements/requirements_tune.txt
@@ -13,7 +13,7 @@ jupyter==1.0.0
 keras==2.4.3
 kubernetes==12.0.1
 lightgbm==3.1.1
-matplotlib==3.3.3
+matplotlib==3.3.4
 mlflow==1.13.1
 mxnet==1.7.0.post1
 nevergrad==0.4.2.post5