# Lambda Stack - CUDNN 8 Upgrade Query

Many thanks [@sabalaba](https://deeptalk.lambda.ai/u/sabalaba) for your kind response! I downloaded cuDNN 8 for Ubuntu 20.04 and added the LD_LIBRARY_PATH as per your suggestion. However, while testing for Tensorflow’s GPU association, I received an error stating, “Could not load dynamic library ‘libcusolver.so.10’; dlerror: libcusolver.…