diff --git a/rootfs_downloader/requirements.txt b/rootfs_downloader/requirements.txt
index 73e3a02..d5dffdd 100644
--- a/rootfs_downloader/requirements.txt
+++ b/rootfs_downloader/requirements.txt
@@ -11,7 +11,7 @@ Naked==0.1.31
 paramiko==2.6.0
 pycparser==2.19
 PyNaCl==1.3.0
-PyYAML==5.1.2
+PyYAML==5.4
 requests==2.22.0
 shellescape==3.4.1
 six==1.12.0