diff --git a/package_versions.txt b/package_versions.txt
index 16094f4..9fa6b29 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -1,6 +1,6 @@
 adduser3.116ubuntu1
-apt1.6.12
-apt-utils1.6.12
+apt1.6.12ubuntu0.1
+apt-utils1.6.12ubuntu0.1
 base-files10.1ubuntu2.8
 base-passwd3.5.44
 bash4.4.18-2ubuntu1.2
@@ -39,8 +39,8 @@ init-system-helpers1.51
 javascript-common11
 krb5-locales1.16-2ubuntu0.1
 libacl12.2.52-3build1
-libapt-inst2.01.6.12
-libapt-pkg5.01.6.12
+libapt-inst2.01.6.12ubuntu0.1
+libapt-pkg5.01.6.12ubuntu0.1
 libasn1-8-heimdal7.5.0+dfsg-1
 libassuan02.5.1-2
 libattr11:2.4.47-2build1
@@ -165,7 +165,7 @@ sensible-utils0.0.12
 sudo1.8.21p2-3ubuntu1.2
 sysvinit-utils2.88dsf-59.10ubuntu1
 tar1.29b-2ubuntu0.1
-tzdata2019c-0ubuntu0.18.04
+tzdata2020a-0ubuntu0.18.04
 ubuntu-keyring2018.09.18.1~18.04.0
 unzip6.0-21ubuntu1
 util-linux2.31.1-0.4ubuntu3.6