diff --git a/.travis.yml b/.travis.yml
index 4cd9ceba..a81dd58d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,12 +2,12 @@ language: node_js
 os:
  - linux
 node_js:
-  - "11.0"
-  - "10.12"
+  - "11.11"
+  - "10.15"
   - "9.11"
-  - "8.12"
+  - "8.15"
   - "7.10"
-  - "6.14"
+  - "6.17"
   - "5.12"
   - "4.9"
   - "iojs-v3.3"
@@ -42,6 +42,34 @@ matrix:
       env: PRETEST=true
     - node_js: "lts/*"
       env: SAUCE=true
+    - node_js: "11.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "11.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.14"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.13"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.12"
+      env: TEST=true ALLOW_FAILURE=true
     - node_js: "10.11"
       env: TEST=true ALLOW_FAILURE=true
     - node_js: "10.10"
@@ -88,6 +116,12 @@ matrix:
       env: TEST=true ALLOW_FAILURE=true
     - node_js: "9.0"
       env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.14"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.13"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.12"
+      env: TEST=true ALLOW_FAILURE=true
     - node_js: "8.11"
       env: TEST=true ALLOW_FAILURE=true
     - node_js: "8.10"
@@ -132,6 +166,12 @@ matrix:
       env: TEST=true ALLOW_FAILURE=true
     - node_js: "7.0"
       env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.16"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.15"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.14"
+      env: TEST=true ALLOW_FAILURE=true
     - node_js: "6.13"
       env: TEST=true ALLOW_FAILURE=true
     - node_js: "6.12"