How to downgrade from GCC 5.4.0 to GCC 5.3.1 in ubuntu 16.04, cuda doesn't support GCC 5.4.0 ?

Cuda doesn’t support GCC 5.4.0.
How to downgrade from GCC 5.4.0 to GCC 5.3.1 in ubuntu 16.04 ?

$ ./mnistCUDNN

cudnnGetVersion() : 7005 , CUDNN_VERSION from cudnn.h : (7005) (7.0.5)
Cuda failurer version : GCC 5.4.0
Error : unknown error
error_util.h:93
Aborting…

Ubuntu 16.04.9 : Ubuntu 5.4.0-6ubuntu1 : GCC 5.4.0
CUDA Toolkit 9.1
Python3.6.4

did you get an answer? I am hitting the same problem