diff --git a/package-lock.json b/package-lock.json
index 14d4590a486c..e48ec391649d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -273,16 +273,6 @@
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       }
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@@ -1010,7 +1000,6 @@
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@@ -1565,8 +1554,8 @@
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+        "JSONStream": "1.3.1",
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@@ -2958,791 +2947,6 @@
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       "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
@@ -4513,14 +3717,6 @@
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-      "resolved": "https://registry.npmjs.org/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz",
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@@ -4620,11 +3816,6 @@
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-      "resolved": "https://registry.npmjs.org/is-primitive/-/is-primitive-2.0.0.tgz",
-      "integrity": "sha1-IHurkWOEmcB7Kt8kCkGochADRXU="
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@@ -4886,6 +4077,16 @@
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       "dev": true
     },
+    "JSONStream": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.1.tgz",
+      "integrity": "sha1-cH92HgHa6eFvG8+TcDt4xwlmV5o=",
+      "dev": true,
+      "requires": {
+        "jsonparse": "1.3.1",
+        "through": "2.3.8"
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@@ -7183,10 +6384,7 @@
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-      "requires": {
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-      }
+      "integrity": "sha512-nVIZwtCjkC9YgvWkpM55B5rBhBYRZhAaJbgcFYXXsHnbZ9UZI9nnVWYZpBlCqv9ho2eZryPnWrZGsOdPwVWXWQ=="
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@@ -7952,6 +7150,14 @@
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       "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM="
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -7973,14 +7179,6 @@
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-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
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@@ -8728,9 +7926,9 @@
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-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-3.7.1.tgz",
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+      "version": "3.8.1",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-3.8.1.tgz",
+      "integrity": "sha512-5ZXLWWsMqHKFr5y0N3Eo5IIisxeEeRAajNq4mELb/WELOR7srdbQk2N5XiyNy2A/AgvlR3AmeBCZJW8lHrolbw==",
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diff --git a/package.json b/package.json
index 05195712863f..f59990adade5 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
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     "url-loader": "^0.6.2",
-    "webpack": "~3.7.1",
+    "webpack": "~3.8.1",
     "webpack-concat-plugin": "1.4.0",
     "webpack-dev-middleware": "~1.12.0",
     "webpack-dev-server": "~2.7.1",
diff --git a/packages/@angular/cli/package.json b/packages/@angular/cli/package.json
index 517642b24eef..3ed28ae72b29 100644
--- a/packages/@angular/cli/package.json
+++ b/packages/@angular/cli/package.json
@@ -76,7 +76,7 @@
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-    "webpack": "~3.7.1",
+    "webpack": "~3.8.1",
     "webpack-concat-plugin": "1.4.0",
     "webpack-dev-middleware": "~1.12.0",
     "webpack-dev-server": "~2.7.1",