diff --git a/collect_data_service/requirements.txt b/collect_data_service/requirements.txt
index ef0b575..eefc534 100644
--- a/collect_data_service/requirements.txt
+++ b/collect_data_service/requirements.txt
@@ -3,7 +3,7 @@ attrs==17.4.0
 Automat==0.6.0
 cffi==1.11.4
 constantly==15.1.0
-cryptography==2.1.4
+cryptography==3.2
 cssselect==1.0.3
 hyperlink==17.3.1
 idna==2.6