diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 26c028c7..02bfadcf 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,9 +21,6 @@ jobs:
         - '6.1'
         - '7.0'
         include:
-        # rails 5.2 (EOL 6/22) supports ruby < 2.7 (2.6 EOL 3/22)
-        - ruby-version: '2.5'
-          rails-version: '5.2'
         # rails 6.0 (security EOL 6/23?) supports ruby < 2.8 (2.7 EOL 3/23?;)
         - ruby-version: '2.6'
           rails-version: '6.0'