diff --git a/package-lock.json b/package-lock.json
index eef6667..7670068 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3170,17 +3170,17 @@
       "dev": true
     },
     "event-stream": {
-      "version": "3.3.5",
-      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.5.tgz",
-      "integrity": "sha512-vyibDcu5JL20Me1fP734QBH/kenBGLZap2n0+XXM7mvuUPzJ20Ydqj1aKcIeMdri1p+PU+4yAKugjN8KCVst+g==",
+      "version": "3.3.4",
+      "resolved": "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
+      "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
       "dev": true,
       "requires": {
         "duplexer": "0.1.1",
         "from": "0.1.7",
-        "map-stream": "0.0.7",
+        "map-stream": "0.1.0",
         "pause-stream": "0.0.11",
-        "split": "1.0.1",
-        "stream-combiner": "0.2.2",
+        "split": "0.3.3",
+        "stream-combiner": "0.0.4",
         "through": "2.3.8"
       }
     },
@@ -5597,9 +5597,9 @@
       "dev": true
     },
     "map-stream": {
-      "version": "0.0.7",
-      "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.0.7.tgz",
-      "integrity": "sha1-ih8HiW2CsQkmvTdEokIACfiJdKg=",
+      "version": "0.1.0",
+      "resolved": "http://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
+      "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=",
       "dev": true
     },
     "map-visit": {
@@ -7961,9 +7961,9 @@
       }
     },
     "split": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
-      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
+      "version": "0.3.3",
+      "resolved": "http://registry.npmjs.org/split/-/split-0.3.3.tgz",
+      "integrity": "sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=",
       "dev": true,
       "requires": {
         "through": "2.3.8"
@@ -8051,13 +8051,12 @@
       }
     },
     "stream-combiner": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.2.2.tgz",
-      "integrity": "sha1-rsjLrBd7Vrb0+kec7YwZEs7lKFg=",
+      "version": "0.0.4",
+      "resolved": "http://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
+      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
       "dev": true,
       "requires": {
-        "duplexer": "0.1.1",
-        "through": "2.3.8"
+        "duplexer": "0.1.1"
       }
     },
     "stream-each": {
diff --git a/package.json b/package.json
index 1536539..6e5db80 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "copy-webpack-plugin": "4.5.2",
     "css-loader": "1.0.0",
     "eslint-plugin-angular": "3.3.0",
-    "event-stream": "3.3.5",
+    "event-stream": "3.3.4",
     "file-loader": "2.0.0",
     "html-loader": "^0.5.5",
     "html-minifier": "^3.5.20",