diff --git a/extra_requirements/requirements-tests.txt b/extra_requirements/requirements-tests.txt
index 1d3fb8d43..4911e78b4 100644
--- a/extra_requirements/requirements-tests.txt
+++ b/extra_requirements/requirements-tests.txt
@@ -12,7 +12,7 @@ holoviews==1.14.5
 ipywidgets==7.6.3
 hypothesis==6.14.5
 jupyter-client==6.1.12                          # for ipywidgets
-matplotlib==3.4.2
+matplotlib==3.4.3
 multihist==0.6.4
 npshmex==0.2.1                                  # Strax dependency
 numba==0.53.1                                   # Strax dependency