diff --git a/src/ui_ng/lib/package.json b/src/ui_ng/lib/package.json
index b4aefed86..451bce850 100644
--- a/src/ui_ng/lib/package.json
+++ b/src/ui_ng/lib/package.json
@@ -39,7 +39,7 @@
         "rxjs": "^5.0.1",
         "ts-helpers": "^1.1.1",
         "web-animations-js": "^2.2.1",
-        "zone.js": "^0.8.4"
+        "zone.js": "0.8.19"
     },
     "devDependencies": {
         "@angular/cli": "1.4.0",
@@ -70,4 +70,4 @@
         "uglify-js": "^2.8.22",
         "webdriver-manager": "10.2.5"
     }
-}
+}
\ No newline at end of file
diff --git a/src/ui_ng/package.json b/src/ui_ng/package.json
index 5821269f3..a164917fa 100644
--- a/src/ui_ng/package.json
+++ b/src/ui_ng/package.json
@@ -37,7 +37,7 @@
         "rxjs": "^5.0.1",
         "ts-helpers": "^1.1.1",
         "web-animations-js": "^2.2.1",
-        "zone.js": "^0.8.4"
+        "zone.js": "0.8.19"
     },
     "devDependencies": {
         "@angular/cli": "^1.0.0",
@@ -66,4 +66,4 @@
         "typings": "^1.4.0",
         "webdriver-manager": "10.2.5"
     }
-}
+}
\ No newline at end of file