diff --git a/requirements.txt b/requirements.txt
index ff59290..25e729b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 backcall==0.1.0
 cachetools==2.1.0
 cffi==1.12.3
-cryptography==2.6.1
+cryptography==3.2
 decorator==4.3.0
 geographiclib==1.49
 geopy==1.14.0