diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 75d8208f..90bced73 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,5 +43,6 @@ 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 --exclude-group internet
diff --git a/README.md b/README.md
index adfd7c3d..2e7700b2 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 <br>
 
 <div align="center">
-    <a href="https://github.com/reactphp/reactphp/actions"><img src="https://github.com/reactphp/reactphp/workflows/CI/badge.svg" alt="Build Status"></a>
+    <a href="https://github.com/reactphp/reactphp/actions"><img src="https://github.com/reactphp/reactphp/actions/workflows/ci.yml/badge.svg" alt="Build Status"></a>
 </div>
 
 <br>