diff --git a/requirements-dev.txt b/requirements-dev.txt
index a4603adb..576ccd48 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -18,7 +18,7 @@ chardet==3.0.4
     # via requests
 colorama==0.4.3
     # via twine
-cryptography==3.4.2
+cryptography==3.4.5
     # via secretstorage
 distlib==0.3.0
     # via virtualenv
diff --git a/requirements-tests.txt b/requirements-tests.txt
index 50709ffc..e7bc7e0c 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -44,7 +44,7 @@ click==7.1.2
     #   flask
 coverage==5.4
     # via -r requirements-tests.in
-cryptography==3.4.2
+cryptography==3.4.5
     # via
     #   moto
     #   python-jose
diff --git a/requirements.txt b/requirements.txt
index d50f38bd..c6a21ef7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ click==7.1.2
     # via flask
 cloudflare==2.8.15
     # via -r requirements.in
-cryptography==3.4.2
+cryptography==3.4.5
     # via
     #   -r requirements.in
     #   acme