diff --git a/package_versions.txt b/package_versions.txt
index befdf4d4..abd1b394 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -40,7 +40,7 @@ eudev-3.2.11_pre1-r0
 eudev-libs-3.2.11_pre1-r0
 expat-2.4.7-r0
 fftw-single-libs-3.3.10-r0
-firefox-esr-91.8.0-r0
+firefox-esr-91.9.0-r0
 flac-1.3.4-r0
 font-alias-1.0.4-r0
 font-cursor-misc-1.0.3-r1