diff --git a/first-app/package-lock.json b/first-app/package-lock.json
index 5ca881d9..6719f0d5 100644
--- a/first-app/package-lock.json
+++ b/first-app/package-lock.json
@@ -773,6 +773,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
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@@ -784,6 +785,7 @@
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           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
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@@ -1404,6 +1406,7 @@
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       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
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+      "optional": true,
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       }
@@ -2231,6 +2234,7 @@
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       "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
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+      "optional": true,
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@@ -2373,7 +2377,7 @@
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-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
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@@ -3659,6 +3663,7 @@
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       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
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@@ -4053,6 +4058,7 @@
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       "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
       "dev": true,
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@@ -4081,7 +4087,8 @@
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       "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -5636,7 +5643,8 @@
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       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -6258,7 +6266,8 @@
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           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -6286,6 +6295,7 @@
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           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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@@ -6371,7 +6381,8 @@
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+          "dev": true,
+          "optional": true
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@@ -8370,6 +8381,7 @@
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       "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
       "dev": true,
+      "optional": true,
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@@ -8811,7 +8823,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "strip-ansi": {
       "version": "3.0.1",