diff --git a/package_versions.txt b/package_versions.txt
index e5667e9e..0a95570f 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -90,7 +90,7 @@ emacsen-common                                                                3.
 evdev                                                                         1.9.2                                     python                         
 file                                                                          1:5.45-3build1                            deb                            
 findutils                                                                     4.9.0-5build1                             deb                            
-firefox                                                                       138.0.4+build1-0ubuntu0.24.04.1~mt1       deb                            
+firefox                                                                       139.0+build1-0ubuntu0.24.04.1~mt2         deb                            
 fontconfig                                                                    2.15.0-1.1ubuntu2                         deb                            
 fontconfig-config                                                             2.15.0-1.1ubuntu2                         deb                            
 fonts-dejavu-core                                                             2.37-8                                    deb