diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a077c604..4c563431 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,9 +5,11 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: false
       matrix:
         ruby:
-          - '3.4' # latest release
+          - '3.4'
+          - 'head'
 
     steps:
     - run: |