diff --git a/requirements.txt b/requirements.txt
index 9e25634..25e7acf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ click==7.1.2
 cmdstanpy==0.4.0
 convertdate==2.2.0
 cookiecutter==1.7.2
-cryptography==2.9.2
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.17
 dash==1.11.0