diff --git a/mirror/requirements.txt b/mirror/requirements.txt
index afe416c..256f543 100644
--- a/mirror/requirements.txt
+++ b/mirror/requirements.txt
@@ -14,7 +14,7 @@ Pillow==3.1.1
 pyasn1==0.1.9
 pyasn1-modules==0.0.8
 pywapi==0.3.8
-PyYAML==3.11
+PyYAML==5.4
 requests==2.9.1
 rsa==3.4
 simplejson==3.8.2