diff --git a/package_versions.txt b/package_versions.txt
index 2f53865e..919e5815 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -144,7 +144,7 @@ file-uri-to-path                                                              1.
 filelist                                                                      1.0.4                                     npm                         
 finalhandler                                                                  1.3.1                                     npm                         
 findutils                                                                     4.9.0-5build1                             deb                         
-firefox                                                                       139.0+build2-0ubuntu0.24.04.1~mt1         deb                         
+firefox                                                                       139.0.1+build1-0ubuntu0.24.04.1~mt1       deb                         
 fontconfig                                                                    2.15.0-1.1ubuntu2                         deb                         
 fontconfig-config                                                             2.15.0-1.1ubuntu2                         deb                         
 fonts-noto-color-emoji                                                        2.047-0ubuntu0.24.04.1                    deb