diff --git a/.travis.yml b/.travis.yml
index 5dd575b..2d4f896 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ node_js:
   - "1.8"
   - "2.5"
   - "3.3"
-  - "4.6"
+  - "4.8"
   - "5.12"
   - "6.9"
   - "7.0"
diff --git a/appveyor.yml b/appveyor.yml
index 1ddd198..783f5a8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,7 +6,7 @@ environment:
     - nodejs_version: "1.8"
     - nodejs_version: "2.5"
     - nodejs_version: "3.3"
-    - nodejs_version: "4.6"
+    - nodejs_version: "4.8"
     - nodejs_version: "5.12"
     - nodejs_version: "6.9"
     - nodejs_version: "7.0"