Would government shutdown affect my OPT application?

I am an international student. I will graduate in this May. I submitted my OPT (Optional practical training) application to the USCIS office on March 23. I believe it takes 60-90days for processing to get my 1 year EAD (employment authorization document) card. However, as the news says the federal government may shutdown. If this happen, would it affect my OPT application? If so, and how? Take longer processing time?