diff --git a/package_versions.txt b/package_versions.txt
index 9363e18..754a9dc 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -45,7 +45,7 @@ gpgv2.2.4-1ubuntu1.4
 gpg-wks-client2.2.4-1ubuntu1.4
 gpg-wks-server2.2.4-1ubuntu1.4
 grep3.1-2build1
-gzip1.6-5ubuntu1
+gzip1.6-5ubuntu1.1
 hostname3.20
 init-system-helpers1.51
 krb5-locales1.16-2ubuntu0.2
@@ -162,7 +162,7 @@ libunistring20.9.9-0ubuntu2
 libuuid12.31.1-0.4ubuntu3.7
 libwind0-heimdal7.5.0+dfsg-1
 libzstd11.3.3+dfsg-2ubuntu1.2
-linux-libc-dev4.15.0-147.151
+linux-libc-dev4.15.0-151.157
 locales2.27-3ubuntu1.4
 login1:4.5-1ubuntu2
 lsb-base9.20170808ubuntu1