diff --git a/guessthenumber/package-lock.json b/guessthenumber/package-lock.json
index 5187136..6985008 100644
--- a/guessthenumber/package-lock.json
+++ b/guessthenumber/package-lock.json
@@ -1401,7 +1401,8 @@
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               "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "assert-plus": {
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@@ -1429,6 +1430,7 @@
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               "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-styles": "2.2.1",
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@@ -1514,7 +1516,8 @@
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               "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "tunnel-agent": {
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@@ -3409,6 +3412,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -4918,7 +4922,7 @@
     "decode-uri-component": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+      "integrity": "sha512-hjf+xovcEn31w/EUYdTXQh/8smFL/dzYjohQGEIgjyNavaJfBY2p5F527Bo1VPATxv0VYTUC2bOcXvqFwk78Og==",
       "dev": true
     },
     "deep-equal": {
@@ -5949,6 +5953,7 @@
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       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
+      "optional": true,
       "requires": {
         "graceful-fs": "4.1.11",
         "inherits": "2.0.3",
@@ -7747,7 +7752,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.3.1",