diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 656bad7..5efcb03 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,6 +28,9 @@ jobs:
       matrix:
         ruby: ["2.7", "3.0", "3.1", "3.2", "3.3", "3.4", ruby-head, jruby-9.4]
         rubocop_version: ["1.48", "1.69"]
+        exclude:
+          - ruby: ruby-head
+            rubocop_version: "1.48"
     env:
       BUNDLE_GEMFILE: "gemfiles/rubocop_${{ matrix.rubocop_version }}.gemfile"
     steps: