diff --git a/package-lock.json b/package-lock.json
index d4fba4c7..48b16105 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,18 +32,18 @@
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@@ -7920,6 +7587,24 @@
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+      "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.0.3.tgz",
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+      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.1.10.tgz",
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@@ -7929,6 +7614,19 @@
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+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
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+      "dev": true,
+      "optional": true,
+      "requires": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
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       "resolved": "https://registry.npmjs.org/null-check/-/null-check-1.0.0.tgz",
@@ -7938,8 +7636,7 @@
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-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-      "dev": true
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
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@@ -8161,20 +7858,17 @@
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-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
-      "dev": true
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
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-      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
-      "dev": true
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
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     "osenv": {
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@@ -8723,6 +8417,19 @@
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+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.7.tgz",
+      "integrity": "sha512-LdLD8xD4zzLsAT5xyushXDNscEjB7+2ulnl8+r1pnESlYtlJtVSoCMBGr30eDRJ3+2Gq89jK9P9e4tCEH1+ywA==",
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+      "optional": true,
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+        "deep-extend": "^0.5.1",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
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@@ -9625,6 +9332,13 @@
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       "dev": true
     },
+    "set-blocking": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
+      "dev": true,
+      "optional": true
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@@ -10255,6 +9969,21 @@
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       "dev": true
     },
+    "tar": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.1.tgz",
+      "integrity": "sha512-O+v1r9yN4tOsvl90p5HAP4AEqbYhx4036AGMm075fH9F8Qwi3oJ+v4u50FkT/KkvywNGtwkk0zRI+8eYm1X/xg==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "chownr": "^1.0.1",
+        "fs-minipass": "^1.2.5",
+        "minipass": "^2.2.4",
+        "minizlib": "^1.1.0",
+        "mkdirp": "^0.5.0",
+        "safe-buffer": "^5.1.1"
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     "terser": {
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       "resolved": "https://registry.npmjs.org/terser/-/terser-3.11.0.tgz",
@@ -11641,6 +11370,13 @@
         "isexe": "^2.0.0"
       }
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+    "wide-align": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
+      "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
+      "dev": true,
+      "optional": true
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     "word-wrap": {
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       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
diff --git a/package.json b/package.json
index 03d34dae..603a4aa7 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "description": "A module to create a set of unique numbers as fast as possible.",
   "devDependencies": {
-    "@babel/core": "^7.2.0",
+    "@babel/core": "^7.2.2",
     "@babel/plugin-external-helpers": "^7.2.0",
     "@babel/plugin-transform-runtime": "^7.2.0",
     "@babel/preset-env": "^7.2.0",