diff --git a/dev_requirements.txt b/dev_requirements.txt
index 7d9d897..4cc53ce 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -14,7 +14,7 @@ Click==7.0
 constantly==15.1.0
 coverage==4.5.4
 cqc==3.2.2
-cryptography==3.3.2
+cryptography==41.0.6
 cycler==0.10.0
 daemons==1.3.1
 decorator==4.4.1