diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3e36da2..2e858ae 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -62,9 +62,13 @@ workflows:
                 - node/macos
                 - node/windows
               node-version:
-                - 20.5.1
-                - 18.17.0
-                - 16.20.1
+                - '20.5.1'
+                - '18.17.0'
+                - '16.20.1'
+                - '14.21.3'
+            exclude:
+              - executor: node/macos
+                node-version: '14.21.3'
           filters:
             tags:
               only: /.*/