diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8931aaf..8974f12 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 15.x]
+        node-version: [12.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: