diff --git a/package.json b/package.json
index b4375b6..e0aa1cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tp/tp-date-input",
-  "version": "0.2.0",
+  "version": "1.0.0",
   "description": "",
   "main": "tp-date-input.js",
   "scripts": {
diff --git a/tp-date-input.js b/tp-date-input.js
index 8fc9e7b..ed1a528 100644
--- a/tp-date-input.js
+++ b/tp-date-input.js
@@ -87,15 +87,15 @@ class TpDateInput extends EventHelpers(ControlState(FormElement(LitElement))) {
     return html`
       <div class="wrap" part="wrap">
         <tp-input part="input ${this._setClass(0)}" exportparts="wrap:innerwrap" class=${this._setClass(0)} .value=${this._input0} @change=${this._inputChanged} .validator=${this._setValidator(0)} .autoValidate=${autoValidate} .readonly=${readonly} .required=${required}>
-          <input type="text" placeholder=${this._setPlaceholder(0)}>
+          <input type="text" part="innerinput" placeholder=${this._setPlaceholder(0)}>
         </tp-input>
         <div part="delimiter">${delimiter}</div>
         <tp-input part="input ${this._setClass(1)}" exportparts="wrap:innerwrap" class=${this._setClass(1)} .value=${this._input1} @change=${this._inputChanged} .validator=${this._setValidator(1)} .autoValidate=${autoValidate} .readonly=${readonly} .required=${required}>
-          <input type="text" placeholder=${this._setPlaceholder(1)}>
+          <input type="text" part="innerinput" placeholder=${this._setPlaceholder(1)}>
         </tp-input>
         <div part="delimiter">${delimiter}</div>
         <tp-input part="input ${this._setClass(2)}" exportparts="wrap:innerwrap" class=${this._setClass(2)} .value=${this._input2} @change=${this._inputChanged} .validator=${this._setValidator(2)} .autoValidate=${autoValidate} .readonly=${readonly} .required=${required}>
-          <input type="text" placeholder=${this._setPlaceholder(2)}>
+          <input type="text" part="innerinput" placeholder=${this._setPlaceholder(2)}>
         </tp-input>
         <div class="more">
           <slot></slot>