diff --git a/.travis.yml b/.travis.yml
index c822e11..108986e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,19 +1,98 @@
-language: node_js
-
-node_js:
-  - '13.2.0'
-  - '12.13.1'
-  - '10.17.0'
-  - '8.16.2'
-
-addons:
-  apt:
-    sources:
-    - ubuntu-toolchain-r-test
-    packages:
-    - g++
-
-notifications:
-  email: false
-
-sudo: false
+matrix:
+  include:
+  - os: linux
+    language: node_js
+    node_js: "13.2.0"
+    env:
+      CC: "gcc"
+      CXX: "g++"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++
+  - os: linux
+    language: node_js
+    node_js: "12.13.1"
+    env:
+      CC: "gcc"
+      CXX: "g++"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++
+  - os: linux
+    language: node_js
+    node_js: "10.17.0"
+    env:
+      CC: "gcc"
+      CXX: "g++"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++
+  - os: linux
+    language: node_js
+    node_js: "8.16.2"
+    env:
+      CC: "gcc"
+      CXX: "g++"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++
+  - os: linux
+    language: node_js
+    node_js: "13.2.0"
+    env:
+      CC: "gcc-4.8"
+      CXX: "g++-4.8"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++-4.8
+  - os: linux
+    language: node_js
+    node_js: "12.13.1"
+    env:
+      CC: "gcc-4.8"
+      CXX: "g++-4.8"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++-4.8
+  - os: linux
+    language: node_js
+    node_js: "10.17.0"
+    env:
+      CC: "gcc-4.8"
+      CXX: "g++-4.8"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++-4.8
+  - os: linux
+    language: node_js
+    node_js: "8.16.2"
+    env:
+      CC: "gcc-4.8"
+      CXX: "g++-4.8"
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++-4.8