diff --git a/components/dropdown/nz-dropdown.directive.ts b/components/dropdown/nz-dropdown.directive.ts
index 97d8176530..b4163911f1 100644
--- a/components/dropdown/nz-dropdown.directive.ts
+++ b/components/dropdown/nz-dropdown.directive.ts
@@ -72,6 +72,11 @@ export class NzDropDownDirective implements AfterViewInit, OnDestroy, OnChanges
   setDisabled(disabled: boolean): void {
     if (disabled) {
       this.renderer.setAttribute(this.el, 'disabled', '');
+      if (this.nzVisible) {
+        this.nzVisible = false;
+        this.nzVisibleChange.emit(this.nzVisible);
+        this.updateOverlayByVisible();
+      }
     } else {
       this.renderer.removeAttribute(this.el, 'disabled');
     }
diff --git a/package.json b/package.json
index a53e8c7297..8088a294ff 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "date-fns": "^1.29.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.800.1",
+    "@angular-devkit/build-angular": "0.800.3",
     "@angular-devkit/build-ng-packagr": "~0.800.1",
     "@angular-devkit/core": "~8.0.1",
     "@angular-devkit/schematics": "~8.0.1",