diff --git a/tests/base/serverless.yml b/tests/base/serverless.yml
index b356c514..0763da0a 100644
--- a/tests/base/serverless.yml
+++ b/tests/base/serverless.yml
@@ -42,7 +42,7 @@ functions:
     handler: handler.hello
   hello3:
     handler: handler.hello
-    runtime: nodejs6.10
+    runtime: nodejs8.10
   hello4:
     handler: fn2_handler.hello
     module: fn2
diff --git a/tests/individually/serverless.yml b/tests/individually/serverless.yml
index c7cf3802..0e41cb06 100644
--- a/tests/individually/serverless.yml
+++ b/tests/individually/serverless.yml
@@ -6,7 +6,8 @@ provider:
 
 package:
   individually: true
-  exclude: 'node_modules/**'
+  exclude:
+    - 'node_modules/**'
 custom:
   pythonRequirements:
     dockerizePip: ${opt:dockerizePip, self:custom.defaults.dockerizePip}