diff --git a/setup/management.sh b/setup/management.sh
index 8dc64f3..40d0a7e 100755
--- a/setup/management.sh
+++ b/setup/management.sh
@@ -30,7 +30,7 @@ apt_install duplicity python-pip virtualenv certbot rsync
 # b2sdk is used for backblaze backups.
 # boto is used for amazon aws backups.
 # Both are installed outside the pipenv, so they can be used by duplicity
-hide_output pip3 install --upgrade b2sdk boto
+hide_output pip3 install --upgrade b2sdk==1.14.1 boto
 
 # Create a virtualenv for the installation of Python 3 packages
 # used by the management daemon.