diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index 491d58ef..6300e906 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -11,8 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        # node-version: [12.x, 14.x, 16.x]
-        node-version: [12.x, 14.x]
+        node-version: [12.x, 14.x, 16.x]
 
     steps:
     - uses: actions/checkout@v2