diff --git a/package.json b/package.json
index 6beed04..ac67259 100644
--- a/package.json
+++ b/package.json
@@ -25,11 +25,11 @@
     "ng-zorro-antd": "^10.1.2",
     "rxjs": "^6.6.3",
     "tslib": "^2.0.3",
-    "vditor": "^3.6.3",
+    "vditor": "~3.6.3",
     "zone.js": "^0.11.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^0.1100.2",
+    "@angular-devkit/build-angular": "^0.1102.4",
     "@angular/cli": "^11.1.2",
     "@angular/compiler-cli": "^11.0.2",
     "@angular/language-service": "^11.0.2",
@@ -48,6 +48,6 @@
     "protractor": "^7.0.0",
     "ts-node": "^9.0.0",
     "tslint": "^6.1.3",
-    "typescript": "^4.0.5"
+    "typescript": "~4.1.0"
   }
 }