diff --git a/Day41-55/code/oa/requirements.txt b/Day41-55/code/oa/requirements.txt
index 76e1184..2d8ef6a 100644
--- a/Day41-55/code/oa/requirements.txt
+++ b/Day41-55/code/oa/requirements.txt
@@ -1,6 +1,6 @@
 asn1crypto==0.24.0
 cffi==1.11.5
-cryptography==2.3
+cryptography==3.2
 Django>=2.1.6
 idna==2.7
 pycparser==2.18