diff --git a/requirements.txt b/requirements.txt
index 45132e2397cf607c5b17e106d94eed3a0b0ce753..c68f7d45f0e9971bc27530c8228c7eaee6bed4c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ importlib-metadata==1.7.0
 joblib==0.16.0
 llvmlite==0.34.0
 mlxtend==0.17.3
-matplotlib==3.3.1
+matplotlib==3.3.2
 more-itertools==8.5.0
 numba==0.51.2
 numpy==1.19.2
diff --git a/sphinx-doc/requirements_sphinx.txt b/sphinx-doc/requirements_sphinx.txt
index 8c284aedaad5c1ca6bc481b58ff649dbae265ec0..2480e078d388b2b7c069e83be7490652d71707ad 100644
--- a/sphinx-doc/requirements_sphinx.txt
+++ b/sphinx-doc/requirements_sphinx.txt
@@ -22,7 +22,7 @@ kiwisolver==1.1.0
 llvmlite==0.34.0
 Markdown==3.2.2
 MarkupSafe==1.1.1
-matplotlib==3.3.1
+matplotlib==3.3.2
 mlxtend==0.17.2
 more-itertools==8.5.0
 numba==0.51.2