diff --git a/package_versions.txt b/package_versions.txt
index 0738c6a..fcb0b4d 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
@@ -29,8 +29,8 @@ init-system-helpers1.51
 java-common0.68ubuntu1~18.04.1
 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
 libasound21.1.3-5ubuntu0.5
 libasound2-data1.1.3-5ubuntu0.5
@@ -150,7 +150,7 @@ sed4.4-2
 sensible-utils0.0.12
 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
 ucf3.0038
 util-linux2.31.1-0.4ubuntu3.6