diff --git a/requirements.txt b/requirements.txt
index a1af910d7374fff8874f504189deaa3f13813e97..2ceacaa9296289ae86d673eba91c6998667afd99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-attrs==20.2.0
+attrs==20.3.0
 Click==7.1.2
 cycler==0.10.0
 dataclasses==0.6
diff --git a/sphinx-doc/requirements_sphinx.txt b/sphinx-doc/requirements_sphinx.txt
index 598b8ead69fb65c6bf412c811747757bbfcf3c1e..86ba17ef8cd8e19dec9ebd0b4203041c2d95dc34 100644
--- a/sphinx-doc/requirements_sphinx.txt
+++ b/sphinx-doc/requirements_sphinx.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 appdirs==1.4.4
 astor==0.8.1
-attrs==20.2.0
+attrs==20.3.0
 Babel==2.8.0
 black==20.8b1
 certifi==2020.6.20