diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index b64f6d874..3e9ca4d88 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -70,7 +70,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        pgVersion: [14, 15, 16, 17, 18]
+        # Latest version is tested via `coverage` above.
+        pgVersion: [14, 15, 16, 17]
     name: PG ${{ matrix.pgVersion }}
     runs-on: ubuntu-24.04
     defaults: