diff --git a/modules/openapi-generator/src/main/resources/typescript-angular/package.mustache b/modules/openapi-generator/src/main/resources/typescript-angular/package.mustache
index 9ecc2a8265ad..99b540f2bc7c 100644
--- a/modules/openapi-generator/src/main/resources/typescript-angular/package.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-angular/package.mustache
@@ -29,8 +29,7 @@
     "@angular/compiler": "^{{ngVersion}}",
     "core-js": "^2.4.0",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "{{#useRxJS6}}^6.1.0{{/useRxJS6}}{{^useRxJS6}}^5.4.0{{/useRxJS6}}",
-    "zone.js": "^0.7.6"
+    "rxjs": "{{#useRxJS6}}^6.1.0{{/useRxJS6}}{{^useRxJS6}}^5.4.0{{/useRxJS6}}"
   },
   "devDependencies": {
     "@angular/compiler-cli": "^{{ngVersion}}",
@@ -42,7 +41,7 @@
     "ng-packagr": {{#useOldNgPackagr}}"^1.6.0"{{/useOldNgPackagr}}{{^useOldNgPackagr}}"^2.4.1"{{/useOldNgPackagr}},{{/useNgPackagr}}
     "reflect-metadata": "^0.1.3",
     "rxjs": "{{#useRxJS6}}^6.1.0{{/useRxJS6}}{{^useRxJS6}}^5.4.0{{/useRxJS6}}",
-    "zone.js": "^0.7.6",
+    "zone.js": "^0.7.6 || ^0.8.26",
     "typescript": ">=2.1.5 <2.8"
   }{{#npmRepository}},{{/npmRepository}}
 {{#npmRepository}}
diff --git a/samples/client/petstore/typescript-angular-v2/npm/package.json b/samples/client/petstore/typescript-angular-v2/npm/package.json
index 6afdfd0caa2a..58a0a48dc8ad 100644
--- a/samples/client/petstore/typescript-angular-v2/npm/package.json
+++ b/samples/client/petstore/typescript-angular-v2/npm/package.json
@@ -22,8 +22,7 @@
     "@angular/compiler": "^2.0.0",
     "core-js": "^2.4.0",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "^5.4.0",
-    "zone.js": "^0.7.6"
+    "rxjs": "^5.4.0"
   },
   "devDependencies": {
     "@angular/compiler-cli": "^2.0.0",
@@ -34,7 +33,7 @@
     "@angular/platform-browser": "^2.0.0",
     "reflect-metadata": "^0.1.3",
     "rxjs": "^5.4.0",
-    "zone.js": "^0.7.6",
+    "zone.js": "^0.7.6 || ^0.8.26",
     "typescript": ">=2.1.5 <2.8"
   },
   "publishConfig": {
diff --git a/samples/client/petstore/typescript-angular-v4.3/npm/package.json b/samples/client/petstore/typescript-angular-v4.3/npm/package.json
index 39536b495e5c..f14235ef102a 100644
--- a/samples/client/petstore/typescript-angular-v4.3/npm/package.json
+++ b/samples/client/petstore/typescript-angular-v4.3/npm/package.json
@@ -18,8 +18,7 @@
     "@angular/compiler": "^4.3.0",
     "core-js": "^2.4.0",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "^5.4.0",
-    "zone.js": "^0.7.6"
+    "rxjs": "^5.4.0"
   },
   "devDependencies": {
     "@angular/compiler-cli": "^4.3.0",
@@ -31,7 +30,7 @@
     "ng-packagr": "^1.6.0",
     "reflect-metadata": "^0.1.3",
     "rxjs": "^5.4.0",
-    "zone.js": "^0.7.6",
+    "zone.js": "^0.7.6 || ^0.8.26",
     "typescript": ">=2.1.5 <2.8"
   },
   "publishConfig": {
diff --git a/samples/client/petstore/typescript-angular-v4/npm/package.json b/samples/client/petstore/typescript-angular-v4/npm/package.json
index 55127c56b74d..6ca7b3abf9ef 100644
--- a/samples/client/petstore/typescript-angular-v4/npm/package.json
+++ b/samples/client/petstore/typescript-angular-v4/npm/package.json
@@ -18,8 +18,7 @@
     "@angular/compiler": "^4.0.0",
     "core-js": "^2.4.0",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "^5.4.0",
-    "zone.js": "^0.7.6"
+    "rxjs": "^5.4.0"
   },
   "devDependencies": {
     "@angular/compiler-cli": "^4.0.0",
@@ -31,7 +30,7 @@
     "ng-packagr": "^1.6.0",
     "reflect-metadata": "^0.1.3",
     "rxjs": "^5.4.0",
-    "zone.js": "^0.7.6",
+    "zone.js": "^0.7.6 || ^0.8.26",
     "typescript": ">=2.1.5 <2.8"
   },
   "publishConfig": {
diff --git a/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/package.json b/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/package.json
index 40e9973f9a93..789d75f6260b 100644
--- a/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/package.json
+++ b/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/package.json
@@ -18,8 +18,7 @@
     "@angular/compiler": "^6.0.0",
     "core-js": "^2.4.0",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "^6.1.0",
-    "zone.js": "^0.7.6"
+    "rxjs": "^6.1.0"
   },
   "devDependencies": {
     "@angular/compiler-cli": "^6.0.0",
@@ -31,7 +30,7 @@
     "ng-packagr": "^2.4.1",
     "reflect-metadata": "^0.1.3",
     "rxjs": "^6.1.0",
-    "zone.js": "^0.7.6",
+    "zone.js": "^0.7.6 || ^0.8.26",
     "typescript": ">=2.1.5 <2.8"
   },
   "publishConfig": {
diff --git a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/package.json b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/package.json
index 40e9973f9a93..789d75f6260b 100644
--- a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/package.json
+++ b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/package.json
@@ -18,8 +18,7 @@
     "@angular/compiler": "^6.0.0",
     "core-js": "^2.4.0",
     "reflect-metadata": "^0.1.3",
-    "rxjs": "^6.1.0",
-    "zone.js": "^0.7.6"
+    "rxjs": "^6.1.0"
   },
   "devDependencies": {
     "@angular/compiler-cli": "^6.0.0",
@@ -31,7 +30,7 @@
     "ng-packagr": "^2.4.1",
     "reflect-metadata": "^0.1.3",
     "rxjs": "^6.1.0",
-    "zone.js": "^0.7.6",
+    "zone.js": "^0.7.6 || ^0.8.26",
     "typescript": ">=2.1.5 <2.8"
   },
   "publishConfig": {