diff --git a/package-lock.json b/package-lock.json
index 093b5b9..0dc2736 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
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@@ -3053,23 +2772,6 @@
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-      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
-      "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=",
-      "dev": true
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-    "simple-get": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-2.8.1.tgz",
-      "integrity": "sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==",
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       "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-1.0.0.tgz",
@@ -3490,45 +3192,6 @@
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-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-1.16.3.tgz",
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-      "dev": true,
-      "requires": {
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-        "mkdirp": "^0.5.1",
-        "pump": "^1.0.0",
-        "tar-stream": "^1.1.2"
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-          "resolved": "https://registry.npmjs.org/pump/-/pump-1.0.3.tgz",
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-          "dev": true,
-          "requires": {
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-            "once": "^1.3.1"
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-    "tar-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
-      "integrity": "sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==",
-      "dev": true,
-      "requires": {
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-        "buffer-alloc": "^1.2.0",
-        "end-of-stream": "^1.0.0",
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-        "to-buffer": "^1.1.1",
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       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -3556,12 +3219,6 @@
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-    "to-buffer": {
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-      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
-      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==",
-      "dev": true
-    },
     "tough-cookie": {
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       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-3.0.1.tgz",
@@ -3574,15 +3231,6 @@
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-    "tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "dev": true,
-      "requires": {
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     "tweetnacl": {
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       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
@@ -3707,21 +3355,6 @@
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-    "which-pm-runs": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
-      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=",
-      "dev": true
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-    "wide-align": {
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-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
-      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
-      "dev": true,
-      "requires": {
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diff --git a/package.json b/package.json
index e6efceb..d63f2d2 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "benchmark": "^2.1.4",
     "docco": "^0.8.0",
     "eslint": "4.18.2",
-    "microtime": "^2.1.7",
+    "microtime": "^3.0.0",
     "tap": "4.0.*"
   }
 }