diff --git a/ODSA-django/requirements.txt b/ODSA-django/requirements.txt
index aad0a891..caef139e 100644
--- a/ODSA-django/requirements.txt
+++ b/ODSA-django/requirements.txt
@@ -4,7 +4,7 @@ Django==1.4.3
 MySQL-python==1.2.3
 #PAM==0.4.2
 Pillow==2.3.0
-PyYAML==3.10
+PyYAML==5.4
 SecretStorage==2.0.0
 Twisted==13.1.0
 #Twisted-Core==13.2.0