diff --git a/package.json b/package.json
index 04b0269..709e568 100644
--- a/package.json
+++ b/package.json
@@ -28,10 +28,10 @@
     "test": "tap ./test/*.js"
   },
   "dependencies": {
-    "buffercursor": ">= 0.0.12",
-    "ipaddr.js": ">= 0.1.1"
+    "buffercursor": "0.0.12",
+    "ipaddr.js": "^1.1.0"
   },
   "devDependencies": {
-    "tap": ">= 0.4.3"
+    "tap": "^5.4.2"
   }
 }
diff --git a/packet.js b/packet.js
index 56b17d9..036d87a 100644
--- a/packet.js
+++ b/packet.js
@@ -229,7 +229,7 @@ function writeQuestion(buff, val, label_index) {
   assert(val, 'Packet requires a question');
   assertUndefined(val.name, 'Question requires a "name"');
   assertUndefined(val.type, 'Question requires a "type"');
-  assertUndefined(val.class, 'Questionn requires a "class"');
+  assertUndefined(val.class, 'Question requires a "class"');
   namePack(val.name, buff, label_index);
   buff.writeUInt16BE(val.type & 0xFFFF);
   buff.writeUInt16BE(val.class & 0xFFFF);
diff --git a/test/parse.js b/test/parse.js
index 13ffde5..f5fe483 100644
--- a/test/parse.js
+++ b/test/parse.js
@@ -17,7 +17,7 @@ files.forEach(function (file) {
     var js = 'foo = ' + fs.readFileSync(jsFile, 'utf8');
     js = vm.runInThisContext(js, jsFile);
     var ret = Packet.parse(bin);
-    t.equivalent(ret, js);
+    t.same(ret, js, 'parsed packet equals fixture');
     t.end();
   });
 });
diff --git a/test/write.js b/test/write.js
index 48e1441..97d15cd 100644
--- a/test/write.js
+++ b/test/write.js
@@ -11,7 +11,7 @@ var fixtureDir = path.join(__dirname, 'fixtures');
 var files = fs.readdirSync(fixtureDir).filter(function (f) { return /\.js$/.test(f); });
 
 files.forEach(function (file) {
-  test('can parse ' + file, function (t) {
+  test('can write ' + file, function (t) {
     var js = 'foo = ' + fs.readFileSync(path.join(fixtureDir, file), 'utf8');
     js = vm.runInThisContext(js, file);
     var buff = new Buffer(4096);
@@ -19,9 +19,9 @@ files.forEach(function (file) {
     var binFile = path.join(fixtureDir, file.replace(/\.js$/, '.bin'));
     var bin = fs.readFileSync(binFile);
     var rtrip = Packet.parse(buff.slice(0, written));
-    t.equivalent(written, bin.length, null, {testMsgLen: file});
-    t.equivalent(buff.slice(0, written), bin, null, {testBin: file});
-    t.equivalent(rtrip, js, null, {testObj: file});
+    t.same(written, bin.length, 'output is of equal size to fixture');
+    t.same(buff.slice(0, written), bin, 'output is equal to fixture');
+    t.same(rtrip, js, 'reparsed output is equal to fixture');
     t.end();
   });
 });