diff --git a/requirements.in b/requirements.in
index fc673ed6..ad8beaa0 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,6 +1,6 @@
 asn1==2.2.0 # asn1 2.3.0 introduces enum34 as a dependency, which causes problems on some envs
 cryptography==2.8.0
-cffi==1.15.0
+cffi==1.15.1
 future==0.18.2
 itsdangerous==2.0.1
 pbr==1.10.0
diff --git a/requirements.txt b/requirements.txt
index 090690a4..8d394c16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ asn1==2.2.0
     # via -r requirements.in
 certifi==2018.11.29
     # via requests
-cffi==1.15.0
+cffi==1.15.1
     # via
     #   -r requirements.in
     #   cryptography