diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e9cf7ac..e7c4e2f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,9 +29,11 @@ jobs:
           - "2.6"
           - "2.7"
           - "3.0"
+        exclude:
+          # 2.2 segfaults on recent Ubuntu: https://github.com/ruby/setup-ruby/issues/496
+          - { ruby: "2.2", os: "ubuntu-latest" }
 
     steps:
-
     - uses: actions/checkout@v2
 
     - name: Set up Ruby