diff --git a/requirements-test.txt b/requirements-test.txt
index a37fcf6..6c58766 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -8,7 +8,7 @@ colorama==0.4.4
 configparser==4.0.2
 contextlib2==0.6.0.post1
 coverage==5.5
-cryptography==3.3.2
+cryptography==39.0.1
 decorator==4.4.2
 dnspython==1.16.0
 domain-connect==0.0.9
diff --git a/requirements.txt b/requirements.txt
index c8df437..17d5875 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2020.12.5
 cffi==1.14.5
 chardet==4.0.0
-cryptography==3.3.2
+cryptography==39.0.1
 decorator==4.4.2
 dnspython==1.16.0
 domain-connect==0.0.9