diff --git a/package_versions.txt b/package_versions.txt
index 8a93a4e..678f3c0 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -216,7 +216,7 @@ sensible-utils0.0.12
 shared-mime-info1.9-2
 sysvinit-utils2.88dsf-59.10ubuntu1
 tar1.29b-2ubuntu0.1
-tzdata2020a-0ubuntu0.18.04
+tzdata2020d-0ubuntu0.18.04
 ubuntu-keyring2018.09.18.1~18.04.0
 ucf3.0038
 unzip6.0-21ubuntu1