diff --git a/docs/requirements.txt b/docs/requirements.txt
index 76be57e..41f0fe7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -14,7 +14,7 @@ chardet==3.0.4
 Click==7.0
 cloudpickle==1.2.2
 colour==0.1.5
-cryptography==3.3.2
+cryptography==39.0.1
 cycler==0.10.0
 cytoolz==0.10.1
 dask==2021.10.0