diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 25476e4..2328265 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,14 +15,15 @@ jobs:
   test:
     strategy:
       matrix:
-        ruby-version: ['3.2', '3.3', '3.4', '4.0', 'jruby-10.0', 'jruby-10.1', 'ruby-head', 'jruby-head', 'truffleruby', 'truffleruby+graalvm']
+        ruby-version: ['3.2', '3.3', '3.4', '4.0', 'jruby-10.0', 'jruby-10.1', 'ruby-head', 'jruby-head', 'truffleruby-head']
         platform: [ubuntu-latest, macos-latest, windows-latest]
         exclude:
-          - ruby-version: truffleruby
-            platform: windows-latest
-          - ruby-version: truffleruby+graalvm
+          - ruby-version: truffleruby-head
             platform: windows-latest
     runs-on: ${{ matrix.platform }}
+    # The -head Rubies, TruffleRuby included, can fail without failing the
+    # run (or the badge). TruffleRuby is still experimental, and its JVM
+    # has crashed on exit after every test passed.
     continue-on-error: ${{ endsWith(matrix.ruby-version, '-head') }}
 
     steps: