diff --git a/linux_requirements.txt b/linux_requirements.txt
index 14038bf..8724096 100644
--- a/linux_requirements.txt
+++ b/linux_requirements.txt
@@ -1,6 +1,6 @@
 bitarray==1.5.3
 cffi==1.15.0
-cryptography==36.0.1
+cryptography==39.0.1
 cycler==0.10.0
 kiwisolver==1.1.0
 matplotlib==3.1.3
diff --git a/windows_requirements.txt b/windows_requirements.txt
index 3ab0fbd..7e2ba31 100644
--- a/windows_requirements.txt
+++ b/windows_requirements.txt
@@ -1,5 +1,5 @@
 cffi==1.15.0
-cryptography==36.0.1
+cryptography==39.0.1
 bitarray==1.5.3
 cycler==0.10.0
 kiwisolver==1.1.0