diff --git a/nexusdatabroker/NDBMigration/Utilities/requirements.txt b/nexusdatabroker/NDBMigration/Utilities/requirements.txt
index b7aff1c7..8388cc68 100644
--- a/nexusdatabroker/NDBMigration/Utilities/requirements.txt
+++ b/nexusdatabroker/NDBMigration/Utilities/requirements.txt
@@ -1,5 +1,5 @@
 pexpect==4.6.0
-pyyaml==3.12
+pyyaml==5.4
 Requests==2.18.4
 ExScript==2.5.7
 configobj==5.0.6