diff --git a/.changeset/red-oranges-nail.md b/.changeset/red-oranges-nail.md
new file mode 100644
index 000000000..a2a74095f
--- /dev/null
+++ b/.changeset/red-oranges-nail.md
@@ -0,0 +1,5 @@
+---
+'@lion/form-core': minor
+---
+
+Updated the ValidateMixin \_\_setupValidators method to sync the calendar date with validator params with reference to this issue : https://github.com/ing-bank/lion/pull/1641/files#diff-bed9319548b16e509dd4a5c3d9c7c31175b577f91e433ee55a945e05339d2796R632
diff --git a/packages/form-core/src/validate/ValidateMixin.js b/packages/form-core/src/validate/ValidateMixin.js
index 5e639106c..41c6b5fad 100644
--- a/packages/form-core/src/validate/ValidateMixin.js
+++ b/packages/form-core/src/validate/ValidateMixin.js
@@ -252,8 +252,8 @@ export const ValidateMixinImplementation = superclass =>
        */
       this.__childModelValueChanged = false;
 
-      /** @private */
-      this.__onValidatorUpdated = this.__onValidatorUpdated.bind(this);
+      /** @protected */
+      this._onValidatorUpdated = this._onValidatorUpdated.bind(this);
       /** @protected */
       this._updateFeedbackComponent = this._updateFeedbackComponent.bind(this);
     }
@@ -580,9 +580,9 @@ export const ValidateMixinImplementation = superclass =>
 
     /**
      * @param {Event|CustomEvent} e
-     * @private
+     * @protected
      */
-    __onValidatorUpdated(e) {
+    _onValidatorUpdated(e) {
       if (e.type === 'param-changed' || e.type === 'config-changed') {
         this.validate();
       }
@@ -597,7 +597,7 @@ export const ValidateMixinImplementation = superclass =>
         this.__prevValidators.forEach(v => {
           events.forEach(e => {
             if (v.removeEventListener) {
-              v.removeEventListener(e, this.__onValidatorUpdated);
+              v.removeEventListener(e, this._onValidatorUpdated);
             }
           });
           v.onFormControlDisconnect(this);
@@ -621,9 +621,15 @@ export const ValidateMixinImplementation = superclass =>
           console.error(errorMessage, this);
           throw new Error(errorMessage);
         }
-        events.forEach(e => {
+        /** Updated the code to fix issue #1607 to sync the calendar date with validators params
+         *  Here _onValidatorUpdated is responsible for responding to the event
+         */
+        events.forEach(eventName => {
           if (v.addEventListener) {
-            v.addEventListener(e, this.__onValidatorUpdated);
+            v.addEventListener(eventName, e => {
+              // @ts-ignore for making validator param dynamic
+              this._onValidatorUpdated(e, { validator: v });
+            });
           }
         });
         v.onFormControlConnect(this);
diff --git a/packages/form-core/test-suites/ValidateMixin.suite.js b/packages/form-core/test-suites/ValidateMixin.suite.js
index 8ab767288..9312a348a 100644
--- a/packages/form-core/test-suites/ValidateMixin.suite.js
+++ b/packages/form-core/test-suites/ValidateMixin.suite.js
@@ -173,6 +173,25 @@ export function runValidateMixinSuite(customConfig) {
         expect(validateSpy.callCount).to.equal(1);
       });
 
+      it('revalidates when validator "param-changed"', async () => {
+        const validator = new MinLength(3);
+        const el = /** @type {ValidateElement} */ (
+          await fixture(html`
+          <${tag}
+            .validators=${[validator]}
+            .modelValue=${'myValue'}
+          >${lightDom}</${tag}>
+        `)
+        );
+
+        const validateSpy = sinon.spy(el, 'validate');
+        expect(validateSpy.callCount).to.equal(0);
+
+        validator.param = 4;
+
+        expect(validateSpy.callCount).to.equal(1);
+      });
+
       it('clears current results when ".modelValue" changes', async () => {
         const el = /** @type {ValidateElement} */ (
           await fixture(html`