diff --git a/.travis.yml b/.travis.yml
index 1c219c2..87bcdc1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,5 @@
 language: node_js
 node_js:
-  - '0.10'
-  - '0.12'
-  - '4'
-  - '5'
-  - '6'
   - '8'
   - '10'
   - '11'
diff --git a/package.json b/package.json
index 7cf1158..33e032f 100644
--- a/package.json
+++ b/package.json
@@ -20,8 +20,8 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "debug": "^2.1.2",
-    "tap": "^1.3.2"
+    "debug": "^4.1.1",
+    "tap": "^13.1.2"
   },
   "dependencies": {
     "nan": "^2.13.2"
diff --git a/test/test-core.js b/test/test-core.js
index cc263db..d3e1ddc 100644
--- a/test/test-core.js
+++ b/test/test-core.js
@@ -39,7 +39,7 @@ function accept(m) {
 }
 
 accept('string');
-accept(Buffer('buffer'));
+accept(Buffer.from('buffer'));
 accept(undefined);
 accept(null);
 accept({some: 5});
diff --git a/test/test-openlog.js b/test/test-openlog.js
index d01750e..dac70f2 100644
--- a/test/test-openlog.js
+++ b/test/test-openlog.js
@@ -13,12 +13,10 @@ tap.test(function(t) {
   t.doesNotThrow(function() {
     syslog.open('June', o.LOG_PERROR + o.LOG_PID, f.LOG_LOCAL1);
     syslog.upto('LOG_DEBUG');
-    t.comment('Expect on stderr a greeting to June with a PID:');
-    syslog.log('LOG_DEBUG', 'Hi, June', function() {
+    syslog.log('LOG_DEBUG', 'expected on stderr with a PID', function() {
       syslog.open('Leonie', o.LOG_PERROR, f.LOG_LOCAL2);
       syslog.upto('LOG_DEBUG');
-      t.comment('Expect on stderr a greeting to Leonie without a PID:');
-      syslog.debug('Hi, %s', 'Leonie');
+      syslog.debug('Expected on stderr %s a PID', 'without');
     });
   }, 'open and log');
   t.end();
diff --git a/test/test-syslog.js b/test/test-syslog.js
index d7b9dc2..4b99fa2 100644
--- a/test/test-syslog.js
+++ b/test/test-syslog.js
@@ -39,7 +39,7 @@ function expect(l, m) {
                      currentMask, ++count, l, Buffer.isBuffer(m) ? 'buf' : 'str');
 
     if (Buffer.isBuffer(m)) {
-      m = Buffer(prefix + m);
+      m = Buffer.from(prefix + m);
     } else {
       m = prefix + m;
     }
@@ -62,9 +62,9 @@ function masked(l, m) {
 setmask(0xff);
 
 expect('LOG_CRIT', 'message');
-expect('LOG_CRIT', Buffer('message'));
+expect('LOG_CRIT', Buffer.from('message'));
 expect(l.LOG_CRIT, 'message');
-expect(l.LOG_CRIT, Buffer('message'));
+expect(l.LOG_CRIT, Buffer.from('message'));
 expect(l.LOG_DEBUG, 'debug');
 
 setmask(syslog.logUpto('LOG_INFO'));