diff --git a/requirements.txt b/requirements.txt
index 05c4a10..314b1a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ jupyterlab >= 2.2.5
 jupyterlab-server >= 1.2.0
 geopandas == 0.9.0
 geopy == 2.1.0               
-matplotlib == 3.3.3
+matplotlib == 3.3.4
 numpy == 1.20.1
 pandas == 1.2.3
 path == 15.1.2