diff --git a/package_versions.txt b/package_versions.txt
index dfadf5f..4c8c645 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -161,6 +161,6 @@ ubuntu-keyring2018.09.18.1~18.04.0
 unzip6.0-21ubuntu1
 util-linux2.31.1-0.4ubuntu3.5
 xz-utils5.2.2-1.3
-yarn1.22.0-1
+yarn1.22.4-1
 zip3.0-11build1
 zlib1g1:1.2.11.dfsg-0ubuntu2