diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 54eb625..ed7f306 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,7 +38,6 @@ jobs:
       matrix:
         os-version: [ 'ubuntu-20.04' ]
         ruby-version:
-          - '2.2'
           - '2.3'
           - '2.4'
           - '2.5'