diff --git a/package_versions.txt b/package_versions.txt
index ee7f3f11..de8b63fa 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -31,7 +31,7 @@ docker-engine-20.10.9-r0
 encodings-1.0.5-r0
 eudev-libs-3.2.10-r0
 expat-2.4.1-r0
-firefox-esr-78.13.0-r0
+firefox-esr-78.15.0-r0
 flac-1.3.3-r0
 font-alias-1.0.4-r0
 font-cursor-misc-1.0.3-r1