diff --git a/flagification/app/requirements.txt b/flagification/app/requirements.txt
index 2ab1c48..56602f8 100644
--- a/flagification/app/requirements.txt
+++ b/flagification/app/requirements.txt
@@ -4,7 +4,7 @@ cffi==1.11.5
 chardet==3.0.4
 Click==7.0
 crc8==0.0.4
-cryptography==2.5
+cryptography==3.2
 cycler==0.10.0
 Faker==1.0.2
 Flask==1.0.2