As the WP will expire in late August, you can apply in early June.
Open an account in GCkey:
https://www.canada.ca/en/immigration-refugees-citizenship/services/application/account.html
Also, you can follow this thread:
https://www.canadavisa.com/canada-immigration-discussion-board/threads/renewal-work-permit.826019/
In the GCKey account click how you want to come to Canada. On the next page, click for work, Less than 6 months, and then you'll find Refugee after that follow the steps. There are a lot of questions about being eligible for the work permit. Answer all the questions (All are yes/No). Finally, you need to upload your previous work permit copy, passport copy, and form imm5710e. It's downloadable and fillable. Complete and upload the form. Then submit.
One more thing, After you get your work permit, remember to renew your SIN.
You can apply here online:
https://www.canada.ca/en/employment-social-development/services/sin/apply.html
After that, you open an account here to check the status:
https://www.canada.ca/en/employment-social-development/services/my-account.html
**
You will receive your new work permit by mail **
