diff --git a/package_versions.txt b/package_versions.txt
index ca61984..52861df 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -144,7 +144,7 @@ sensible-utils0.0.12
 sudo1.8.21p2-3ubuntu1.3
 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
 unzip6.0-21ubuntu1
 util-linux2.31.1-0.4ubuntu3.7