diff --git a/.github/workflows/_deploy_lambda.yml b/.github/workflows/_deploy_lambda.yml
index bff106c5..f30a899a 100644
--- a/.github/workflows/_deploy_lambda.yml
+++ b/.github/workflows/_deploy_lambda.yml
@@ -23,6 +23,10 @@ on:
         required: true
         type: string
 
+      environment_vars:
+        required: false
+        type: string
+
     secrets:
       AWS_ACCESS_KEY_ID:
         required: true