diff --git a/requirements.txt b/requirements.txt
index 94f5d8a..eb01277 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,4 +33,4 @@ typing-extensions==3.7.4.1
 urllib3==1.25.8
 wcwidth==0.1.8
 zipp==2.2.0
-cryptography==2.8
+cryptography==3.3.2
diff --git a/requirements_production.txt b/requirements_production.txt
index 46cb18a..7ae3803 100644
--- a/requirements_production.txt
+++ b/requirements_production.txt
@@ -17,4 +17,4 @@ urllib3==1.25.8
 rtree==0.9.4
 shapely==1.7.0
 sodapy==2.0.0
-cryptography==2.8
+cryptography==3.3.2