diff --git a/package_versions.txt b/package_versions.txt
index e5d7c76..2828db5 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -125,6 +125,8 @@ libncursesw56.1-1ubuntu1.18.04
 libnetpbm102:10.0-15.3build1
 libnettle63.4-1
 libnghttp2-141.30.0-1ubuntu1
+libnspr42:4.18-1ubuntu1
+libnss32:3.35-2ubuntu2.3
 libopenexr222.2.0-11.1ubuntu1.1
 libp11-kit00.23.9-2
 libpam0g1.1.8-3.6ubuntu2.18.04.1