diff --git a/package_versions.txt b/package_versions.txt
index a554e0c2..4e72983e 100755
--- a/package_versions.txt
+++ b/package_versions.txt
@@ -202,7 +202,7 @@ file-uri-to-path                                                              1.
 filelist                                                                      1.0.4                                     npm           
 finalhandler                                                                  1.2.0                                     npm           
 findutils                                                                     4.8.0-1ubuntu3                            deb           
-firefox                                                                       121.0+build1-0ubuntu0.22.04.1~mt1         deb           
+firefox                                                                       121.0.1+build1-0ubuntu0.22.04.1~mt1       deb           
 fontconfig                                                                    2.13.1-4.2ubuntu5                         deb           
 fontconfig-config                                                             2.13.1-4.2ubuntu5                         deb           
 fonts-dejavu-core                                                             2.37-2build1                              deb