diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 02efbe1..a680902 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,6 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-        - '3.1'
         - '3.3'
     env:
       BUNDLE_PATH: scripts/vendor/bundle