diff --git a/.github/workflows/ci-test.yml b/.github/workflows/ci-test.yml
index ba4560c..bfec569 100644
--- a/.github/workflows/ci-test.yml
+++ b/.github/workflows/ci-test.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x]
 
     steps:
       - name: checkout code