diff --git a/lib/dest/index.js b/lib/dest/index.js
index 049ac969..a25d316f 100644
--- a/lib/dest/index.js
+++ b/lib/dest/index.js
@@ -4,8 +4,8 @@ var through2 = require('through2');
 var sourcemaps = require('gulp-sourcemaps');
 var duplexify = require('duplexify');
 var sink = require('../sink');
-var prepareWrite = require('../prepareWrite');
-var writeContents = require('./writeContents');
+var prepareWrite = require('../prepare-write');
+var writeContents = require('./write-contents');
 
 function dest(outFolder, opt) {
   if (!opt) {
diff --git a/lib/dest/writeContents/index.js b/lib/dest/write-contents/index.js
similarity index 86%
rename from lib/dest/writeContents/index.js
rename to lib/dest/write-contents/index.js
index 1382d956..bc4fe720 100644
--- a/lib/dest/writeContents/index.js
+++ b/lib/dest/write-contents/index.js
@@ -1,9 +1,9 @@
 'use strict';
 
-var writeDir = require('./writeDir');
-var writeStream = require('./writeStream');
-var writeBuffer = require('./writeBuffer');
-var writeSymbolicLink = require('./writeSymbolicLink');
+var writeDir = require('./write-dir');
+var writeStream = require('./write-stream');
+var writeBuffer = require('./write-buffer');
+var writeSymbolicLink = require('./write-symbolic-link');
 
 function writeContents(writePath, file, callback) {
   // If directory then mkdirp it
diff --git a/lib/dest/writeContents/writeBuffer.js b/lib/dest/write-contents/write-buffer.js
similarity index 91%
rename from lib/dest/writeContents/writeBuffer.js
rename to lib/dest/write-contents/write-buffer.js
index f23a4aa0..6f4bf256 100644
--- a/lib/dest/writeContents/writeBuffer.js
+++ b/lib/dest/write-contents/write-buffer.js
@@ -1,6 +1,6 @@
 'use strict';
 
-var fo = require('../../fileOperations');
+var fo = require('../../file-operations');
 
 function writeBuffer(writePath, file, written) {
   var opt = {
diff --git a/lib/dest/writeContents/writeDir.js b/lib/dest/write-contents/write-dir.js
similarity index 95%
rename from lib/dest/writeContents/writeDir.js
rename to lib/dest/write-contents/write-dir.js
index ef7622c9..70b187f7 100644
--- a/lib/dest/writeContents/writeDir.js
+++ b/lib/dest/write-contents/write-dir.js
@@ -3,7 +3,7 @@
 var fs = require('graceful-fs');
 var mkdirp = require('mkdirp');
 
-var fo = require('../../fileOperations');
+var fo = require('../../file-operations');
 
 function writeDir(writePath, file, written) {
   var mkdirpOpts = {
diff --git a/lib/dest/writeContents/writeStream.js b/lib/dest/write-contents/write-stream.js
similarity index 92%
rename from lib/dest/writeContents/writeStream.js
rename to lib/dest/write-contents/write-stream.js
index e9af5f1d..fb411552 100644
--- a/lib/dest/writeContents/writeStream.js
+++ b/lib/dest/write-contents/write-stream.js
@@ -2,8 +2,8 @@
 
 var fs = require('graceful-fs');
 
-var fo = require('../../fileOperations');
-var streamFile = require('../../src/getContents/streamFile');
+var fo = require('../../file-operations');
+var streamFile = require('../../src/get-contents/stream-file');
 
 function writeStream(writePath, file, written) {
   var opt = {
diff --git a/lib/dest/writeContents/writeSymbolicLink.js b/lib/dest/write-contents/write-symbolic-link.js
similarity index 100%
rename from lib/dest/writeContents/writeSymbolicLink.js
rename to lib/dest/write-contents/write-symbolic-link.js
diff --git a/lib/fileOperations.js b/lib/file-operations.js
similarity index 100%
rename from lib/fileOperations.js
rename to lib/file-operations.js
diff --git a/lib/filterSince.js b/lib/filter-since.js
similarity index 100%
rename from lib/filterSince.js
rename to lib/filter-since.js
diff --git a/lib/prepareWrite.js b/lib/prepare-write.js
similarity index 100%
rename from lib/prepareWrite.js
rename to lib/prepare-write.js
diff --git a/lib/src/getContents/bufferFile.js b/lib/src/get-contents/buffer-file.js
similarity index 100%
rename from lib/src/getContents/bufferFile.js
rename to lib/src/get-contents/buffer-file.js
diff --git a/lib/src/getContents/index.js b/lib/src/get-contents/index.js
similarity index 78%
rename from lib/src/getContents/index.js
rename to lib/src/get-contents/index.js
index c1c8c159..e08043a9 100644
--- a/lib/src/getContents/index.js
+++ b/lib/src/get-contents/index.js
@@ -1,10 +1,10 @@
 'use strict';
 
 var through2 = require('through2');
-var readDir = require('./readDir');
-var readSymbolicLink = require('./readSymbolicLink');
-var bufferFile = require('./bufferFile');
-var streamFile = require('./streamFile');
+var readDir = require('./read-dir');
+var readSymbolicLink = require('./read-symbolic-link');
+var bufferFile = require('./buffer-file');
+var streamFile = require('./stream-file');
 
 function getContents(opt) {
   return through2.obj(opt, function(file, enc, cb) {
diff --git a/lib/src/getContents/readDir.js b/lib/src/get-contents/read-dir.js
similarity index 100%
rename from lib/src/getContents/readDir.js
rename to lib/src/get-contents/read-dir.js
diff --git a/lib/src/getContents/readSymbolicLink.js b/lib/src/get-contents/read-symbolic-link.js
similarity index 100%
rename from lib/src/getContents/readSymbolicLink.js
rename to lib/src/get-contents/read-symbolic-link.js
diff --git a/lib/src/getContents/streamFile.js b/lib/src/get-contents/stream-file.js
similarity index 100%
rename from lib/src/getContents/streamFile.js
rename to lib/src/get-contents/stream-file.js
diff --git a/lib/src/index.js b/lib/src/index.js
index 06cbe754..9da0c265 100644
--- a/lib/src/index.js
+++ b/lib/src/index.js
@@ -6,11 +6,11 @@ var gs = require('glob-stream');
 var duplexify = require('duplexify');
 var merge = require('merge-stream');
 var sourcemaps = require('gulp-sourcemaps');
-var filterSince = require('../filterSince');
+var filterSince = require('../filter-since');
 var isValidGlob = require('is-valid-glob');
 
-var getContents = require('./getContents');
-var wrapWithVinylFile = require('./wrapWithVinylFile');
+var getContents = require('./get-contents');
+var wrapWithVinylFile = require('./wrap-with-vinyl-file');
 
 function src(glob, opt) {
   var options = assign({
diff --git a/lib/src/wrapWithVinylFile.js b/lib/src/wrap-with-vinyl-file.js
similarity index 100%
rename from lib/src/wrapWithVinylFile.js
rename to lib/src/wrap-with-vinyl-file.js
diff --git a/lib/symlink/index.js b/lib/symlink/index.js
index 6c01a6b6..93b6b9aa 100644
--- a/lib/symlink/index.js
+++ b/lib/symlink/index.js
@@ -2,7 +2,7 @@
 
 var through2 = require('through2');
 var fs = require('graceful-fs');
-var prepareWrite = require('../prepareWrite');
+var prepareWrite = require('../prepare-write');
 
 function symlink(outFolder, opt) {
   function linkFile(file, enc, cb) {
diff --git a/test/destModes.js b/test/dest-modes.js
similarity index 100%
rename from test/destModes.js
rename to test/dest-modes.js
diff --git a/test/destTimes.js b/test/dest-times.js
similarity index 100%
rename from test/destTimes.js
rename to test/dest-times.js
diff --git a/test/fileOperations.js b/test/file-operations.js
similarity index 99%
rename from test/fileOperations.js
rename to test/file-operations.js
index 568263cf..39a59d83 100644
--- a/test/fileOperations.js
+++ b/test/file-operations.js
@@ -10,7 +10,7 @@ var File = require('vinyl');
 var buffer = require('buffer');
 var defaultResolution = require('default-resolution');
 
-var fo = require('../lib/fileOperations');
+var fo = require('../lib/file-operations');
 
 var closeFd = fo.closeFd;
 var isOwner = fo.isOwner;
diff --git a/test/notOwned.js b/test/not-owned.js
similarity index 100%
rename from test/notOwned.js
rename to test/not-owned.js