diff --git a/1-color-flipper/app.js b/01-color-flipper/app.js
similarity index 100%
rename from 1-color-flipper/app.js
rename to 01-color-flipper/app.js
diff --git a/1-color-flipper/hex.html b/01-color-flipper/hex.html
similarity index 100%
rename from 1-color-flipper/hex.html
rename to 01-color-flipper/hex.html
diff --git a/1-color-flipper/hex.js b/01-color-flipper/hex.js
similarity index 100%
rename from 1-color-flipper/hex.js
rename to 01-color-flipper/hex.js
diff --git a/1-color-flipper/index.html b/01-color-flipper/index.html
similarity index 100%
rename from 1-color-flipper/index.html
rename to 01-color-flipper/index.html
diff --git a/1-color-flipper/styles.css b/01-color-flipper/styles.css
similarity index 100%
rename from 1-color-flipper/styles.css
rename to 01-color-flipper/styles.css