CMake Error -> Could NOT find FFMPEG: Found unsuitable version "54.31.100"

[Simpler1]

Pulled the Dockerfile from:
https://raw.githubusercontent.com/ZoneMinder/zmdockerfiles/master/development/ubuntu/xenial/Dockerfile

Changed
ppa:iconnor/zoneminder
to
ppa:iconnor/zoneminder-proposed

Removed

&& DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
php-apcu-bc \

Ran
docker build -t zoneminder_dev .

Fails with the following error:

CMake Error at /usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:148 (message):
  Could NOT find FFMPEG: Found unsuitable version "54.31.100", but required
  is at least "55.34.100" (found /usr/include/x86_64-linux-gnu)
Call Stack (most recent call first):
  /usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:386 (_FPHSA_FAILURE_MESSAGE)
  cmake/Modules/FindFFMPEG.cmake:155 (find_package_handle_standard_args)
  CMakeLists.txt:478 (find_package)


-- Configuring incomplete, errors occurred!
See also "/ZoneMinder/CMakeFiles/CMakeOutput.log".
The command '/bin/sh -c cmake .' returned a non-zero code: 1

Full output is attached.
out.txt

[Simpler1]

I gave up on this and switched to:
https://github.com/zoneminder-containers/zoneminder-base