diff --git a/package_versions.txt b/package_versions.txt
index fa1cbb4b..2243fb5c 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -31,7 +31,7 @@ dunst1.3.0-2
 e2fsprogs1.44.1-1ubuntu1.3
 fdisk2.31.1-0.4ubuntu3.7
 findutils4.6.0+git+20170828-2
-firefox80.0.1+build1-0ubuntu0.18.04.1
+firefox81.0+build2-0ubuntu0.18.04.1
 fontconfig2.12.6-0ubuntu2
 fontconfig-config2.12.6-0ubuntu2
 fonts-dejavu-core2.37-1