diff --git a/package_versions.txt b/package_versions.txt
index c1dceafd69d241130b7823d8ee68ed7d5e78771d..526b02f5e5f713b5e52da11d7fdf18ceede44c41 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -128,7 +128,7 @@ systemd-sysv229-4ubuntu21.29
 sysvinit-utils2.88dsf-59.3ubuntu2
 sysv-rc2.88dsf-59.3ubuntu2
 tar1.28-2.1ubuntu0.2
-tzdata2020f-0ubuntu0.16.04
+tzdata2021a-0ubuntu0.16.04
 ubuntu-keyring2012.05.19.1
 util-linux2.27.1-6ubuntu3.10
 zlib1g1:1.2.8.dfsg-2ubuntu4.3