diff --git a/spec/package-lock.json b/spec/package-lock.json
index e164621cb91d..3f986edf8afc 100644
--- a/spec/package-lock.json
+++ b/spec/package-lock.json
@@ -244,12 +244,14 @@
     "console-control-strings": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+      "optional": true
     },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+      "optional": true
     },
     "cross-spawn": {
       "version": "6.0.5",
@@ -660,9 +662,9 @@
       "dev": true
     },
     "is-valid-window": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/is-valid-window/-/is-valid-window-0.0.4.tgz",
-      "integrity": "sha512-/Z3hrdhXnqwRvUnUxCfRsTmuv6IBpxNdQ9ad0gLUpX0K2hp0BdDJi10g4dy4rbDfd1NjKTkULxx/6nbPoKjsmw==",
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/is-valid-window/-/is-valid-window-0.0.5.tgz",
+      "integrity": "sha512-bs7tIvCJyJ9BOFZP+U3yGWH9mMQVBDxtWTokrpvpSzEQfMHX+hlhuKqltbYnVkEfj+YSgQJgAW/Klx0qQH7zbQ==",
       "dev": true,
       "requires": {
         "nan": "2.x"
@@ -671,7 +673,8 @@
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+      "optional": true
     },
     "isexe": {
       "version": "2.0.0",
@@ -777,7 +780,8 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "optional": true
     },
     "mkdirp": {
       "version": "0.5.1",
@@ -1097,7 +1101,8 @@
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
+      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
+      "optional": true
     },
     "pump": {
       "version": "2.0.1",
@@ -1149,6 +1154,7 @@
       "version": "2.3.6",
       "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+      "optional": true,
       "requires": {
         "core-util-is": "~1.0.0",
         "inherits": "~2.0.3",
@@ -1359,6 +1365,7 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "optional": true,
       "requires": {
         "safe-buffer": "~5.1.0"
       }
@@ -1485,7 +1492,8 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "optional": true
     },
     "walkdir": {
       "version": "0.3.2",
@@ -1551,9 +1559,9 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "ws": {
-      "version": "6.1.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.3.tgz",
-      "integrity": "sha512-tbSxiT+qJI223AP4iLfQbkbxkwdFcneYinM2+x46Gx2wgvbaOMO36czfdfVUBRTHvzAMRhDd98sA5d/BuWbQdg==",
+      "version": "6.1.4",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
+      "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
       "dev": true,
       "requires": {
         "async-limiter": "~1.0.0"
diff --git a/spec/package.json b/spec/package.json
index 380eb921d298..012a91a74a8c 100644
--- a/spec/package.json
+++ b/spec/package.json
@@ -16,7 +16,7 @@
     "dirty-chai": "^2.0.1",
     "echo": "file:fixtures/native-addon/echo",
     "graceful-fs": "^4.1.15",
-    "is-valid-window": "^0.0.4",
+    "is-valid-window": "0.0.5",
     "mkdirp": "^0.5.1",
     "mocha": "^5.2.0",
     "mocha-junit-reporter": "^1.18.0",
@@ -27,7 +27,7 @@
     "temp": "^0.9.0",
     "walkdir": "^0.3.2",
     "winreg": "^1.2.4",
-    "ws": "^6.1.3",
+    "ws": "^6.1.4",
     "yargs": "^12.0.5"
   },
   "optionalDependencies": {