diff --git a/docker/tycho-api/requirements.txt b/docker/tycho-api/requirements.txt
index d9c31617..28d4429d 100644
--- a/docker/tycho-api/requirements.txt
+++ b/docker/tycho-api/requirements.txt
@@ -18,7 +18,7 @@ certifi==2018.11.29
 cffi==1.14.3 
 chardet==3.0.4 
 coverage==5.3 
-cryptography==3.3.2
+cryptography==41.0.4
 docker==4.2.1
 docker-compose==1.26.1 
 docker-pycreds==0.4.0