A DPMA update has been published for the 10.13.66 Distro. For anyone still running FreePBX or PBXact version 13 and Asterisk 13, you can upgrade DPMA to 3.4.13 using yum update
# yum list asterisk13-res_digium_phone
Loaded plugins: fastestmirror, kmod
Loading mirror speeds from cached hostfile
Installed Packages
asterisk13-res_digium_phone.x86_64 3.4.13-1.shmz65.1.51 @pbx
CLI> digium_phones show version
Digium Phone Module for Asterisk Version 13.0_3.4.13-centos6