--- a/python/mozboot/mozboot/centosfedora.py
+++ b/python/mozboot/mozboot/centosfedora.py
@@ -102,19 +102,19 @@ class CentOSFedoraBootstrapper(BaseBoots
             self.install_fedora_mobile_android_packages(artifact_mode=True)
 
     def ensure_browser_packages(self, artifact_mode=False):
         # TODO: Figure out what not to install for artifact mode
         self.dnf_groupinstall(*self.browser_group_packages)
         self.dnf_install(*self.browser_packages)
 
         if self.distro in ('CentOS', 'CentOS Linux'):
-            yasm = 'http://pkgs.repoforge.org/yasm/yasm-1.1.0-1.el6.rf.i686.rpm'
+            yasm = 'ftp://rpmfind.net/linux/dag/redhat/el6/en/i386/dag/RPMS/yasm-1.1.0-1.el6.rf.i686.rpm'
             if platform.architecture()[0] == '64bit':
-                yasm = 'http://pkgs.repoforge.org/yasm/yasm-1.1.0-1.el6.rf.x86_64.rpm'
+                yasm = 'ftp://rpmfind.net/linux/dag/redhat/el6/en/x86_64/dag/RPMS/yasm-1.1.0-1.el6.rf.x86_64.rpm'
 
             self.run_as_root(['rpm', '-ivh', yasm])
 
     def install_fedora_mobile_android_packages(self, artifact_mode=False):
         import android
 
         # Install Android specific packages.
         self.dnf_install(*self.mobile_android_packages)