diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e0f721..45ef1af 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,5 +45,6 @@ jobs:
       - uses: azjezz/setup-hhvm@v1
         with:
           version: lts-3.30
+      - run: composer self-update --2.2 # downgrade Composer for HHVM
       - run: hhvm $(which composer) install
       - run: hhvm vendor/bin/phpunit
diff --git a/README.md b/README.md
index 6670f58..96949d4 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # clue/reactphp-ssh-proxy
 
-[![CI status](https://github.com/clue/reactphp-ssh-proxy/workflows/CI/badge.svg)](https://github.com/clue/reactphp-ssh-proxy/actions)
+[![CI status](https://github.com/clue/reactphp-ssh-proxy/actions/workflows/ci.yml/badge.svg)](https://github.com/clue/reactphp-ssh-proxy/actions)
 [![installs on Packagist](https://img.shields.io/packagist/dt/clue/reactphp-ssh-proxy?color=blue&label=installs%20on%20Packagist)](https://packagist.org/packages/clue/reactphp-ssh-proxy)
 
 Async SSH proxy connector and forwarder, tunnel any TCP/IP-based protocol through an SSH server,