diff --git a/index.js b/index.js
index d0de5373a..46e940445 100644
--- a/index.js
+++ b/index.js
@@ -49,14 +49,14 @@ try {
         }
       };
 
-      options.env = {
+      options.env = Object.assign(process.env, {
         GITHUB_ACTION: process.env.GITHUB_ACTION,
         GITHUB_RUN_ID: process.env.GITHUB_RUN_ID,
         GITHUB_REF: process.env.GITHUB_REF,
         GITHUB_REPOSITORY: process.env.GITHUB_REPOSITORY,
         GITHUB_SHA: process.env.GITHUB_SHA,
         GITHUB_HEAD_REF: process.env.GITHUB_HEAD_REF || ''
-      };
+      });
 
       if(token){
         options.env.CODECOV_TOKEN = token