diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..358da1c
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Yoichi Kobayashi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/package.json b/package.json
index 7a1041f..015ac0a 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,23 @@
 {
-  "name": "glsl-util",
-  "version": "1.0.2",
-  "description": "utility functions for glsl.",
+  "name": "@ykob/glsl-util",
+  "version": "1.0.3",
+  "description": "Private GLSL utility functions created by @ykob",
   "author": {
-    "name": "yoichi kobayashi",
-    "url": "http://www.tplh.net/"
+    "name": "Yoichi Kobayashi",
+    "email": "info@tplh.net",
+    "url": "https://www.tplh.net/"
+  },
+  "browserify": {
+    "transform": "glslify"
   },
   "license": "MIT",
+  "main": "index.js",
+  "private": false,
+  "publishConfig": {
+    "access": "public"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/ykob/glsl-util.git"
-  },
-  "private": "true"
+  }
 }
diff --git a/random.glsl b/random.glsl
deleted file mode 100644
index d184cc5..0000000
--- a/random.glsl
+++ /dev/null
@@ -1,4 +0,0 @@
-float random(vec2 c){
-  return fract(sin(dot(c.xy ,vec2(12.9898,78.233))) * 43758.5453);
-}
-#pragma glslify: export(random)
diff --git a/convertHsvToRgb.glsl b/src/convertHsvToRgb.glsl
similarity index 100%
rename from convertHsvToRgb.glsl
rename to src/convertHsvToRgb.glsl
diff --git a/convertRgbToHsv.glsl b/src/convertRgbToHsv.glsl
similarity index 100%
rename from convertRgbToHsv.glsl
rename to src/convertRgbToHsv.glsl
diff --git a/gaussianBlur.glsl b/src/gaussianBlur.glsl
similarity index 100%
rename from gaussianBlur.glsl
rename to src/gaussianBlur.glsl
diff --git a/lookAt.glsl b/src/lookAt.glsl
similarity index 100%
rename from lookAt.glsl
rename to src/lookAt.glsl
diff --git a/polar.glsl b/src/polar.glsl
similarity index 100%
rename from polar.glsl
rename to src/polar.glsl
diff --git a/src/random.glsl b/src/random.glsl
new file mode 100644
index 0000000..dfd9fe7
--- /dev/null
+++ b/src/random.glsl
@@ -0,0 +1,4 @@
+float random(vec2 c){
+  return fract(sin(dot(c.xy, vec2(12.9898,78.233))) * 43758.5453);
+}
+#pragma glslify: export(random)
diff --git a/rotateAxisAngle.glsl b/src/rotateAxisAngle.glsl
similarity index 100%
rename from rotateAxisAngle.glsl
rename to src/rotateAxisAngle.glsl