diff --git a/requirements-dev.txt b/requirements-dev.txt
index 40046ab..d9e40f2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,7 +14,7 @@ cffi==1.10.0
 chardet==3.0.4
 click==6.7
 configparser==4.0.2
-cryptography==2.3
+cryptography==3.2
 cssselect==1.0.1
 cssutils==1.0.2
 ecdsa==0.13
diff --git a/requirements.txt b/requirements.txt
index 5428594..a233ec4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ certifi==2018.4.16
 cffi==1.10.0
 chardet==3.0.4
 click==6.7
-cryptography==2.3
+cryptography==3.2
 cssselect==1.0.1
 cssutils==1.0.2
 ecdsa==0.13