diff --git a/docs/requirements.txt b/docs/requirements.txt
index da946818..e4b960a3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -7,7 +7,7 @@ Babel==2.9.1
 backports.entry-points-selectable==1.1.0
 black==21.8b0
 certifi==2021.5.30
-cffi==1.14.6
+cffi==1.15.0
 cfgv==3.3.1
 chardet==4.0.0
 charset-normalizer==2.0.4
diff --git a/requirements.txt b/requirements.txt
index b1829d79..e82a5119 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ attrs==21.2.0
 backports.entry-points-selectable==1.1.0
 black==21.8b0
 certifi==2021.5.30
-cffi==1.14.6
+cffi==1.15.0
 cfgv==3.3.1
 chardet==4.0.0
 charset-normalizer==2.0.4