diff --git a/test/shot-tests/package-lock.json b/test/shot-tests/package-lock.json
index 8438958..fc6f88d 100644
--- a/test/shot-tests/package-lock.json
+++ b/test/shot-tests/package-lock.json
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-        "debug": "3.1.0"
+        "agent-base": "^4.3.0",
+        "debug": "^3.1.0"
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-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
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-            "ms": "2.0.0"
+            "ms": "^2.1.1"
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
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@@ -724,9 +729,9 @@
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-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-2.5.0.tgz",
+      "integrity": "sha512-ft3WayFSFUVBuJj7BMLKAQcSlItKtfjsKDDsii3rqFDAZ7t11zRe8ASw/GlmivGwVUYtwkQrxiGGpL6gFvB0ag=="
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@@ -965,14 +970,14 @@
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-      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.0.tgz",
-      "integrity": "sha1-ihvjZr+Pwj2yvSPxDG/pILQ4nR8="
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
+      "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA=="
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-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.0.0.tgz",
-      "integrity": "sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4="
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
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@@ -986,18 +991,33 @@
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-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-1.2.0.tgz",
-      "integrity": "sha512-4sY/6mB7+kNPGAzPGKq65tH0VG3ohUEkXHuOReB9K/tw3m1TqifYmxnMR/uDeci/UPwyk5K1gWYh8rw0U0Zscw==",
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-        "https-proxy-agent": "2.2.0",
-        "mime": "1.6.0",
-        "progress": "2.0.0",
-        "proxy-from-env": "1.0.0",
-        "rimraf": "2.6.2",
-        "ws": "3.3.3"
+      "version": "1.13.0",
+      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-1.13.0.tgz",
+      "integrity": "sha512-LUXgvhjfB/P6IOUDAKxOcbCz9ISwBLL9UpKghYrcBDwrOGx1m60y0iN2M64mdAUbT4+7oZM5DTxOW7equa2fxQ==",
+      "requires": {
+        "debug": "^4.1.0",
+        "extract-zip": "^1.6.6",
+        "https-proxy-agent": "^2.2.1",
+        "mime": "^2.0.3",
+        "progress": "^2.0.1",
+        "proxy-from-env": "^1.0.0",
+        "rimraf": "^2.6.1",
+        "ws": "^6.1.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+          "requires": {
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+          }
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+        "ms": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
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@@ -1224,11 +1244,6 @@
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       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
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-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
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@@ -1388,7 +1403,8 @@
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+          "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA==",
+          "optional": true
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@@ -1548,13 +1564,11 @@
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-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
+      "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
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-        "safe-buffer": "5.1.1",
-        "ultron": "1.1.1"
+        "async-limiter": "~1.0.0"
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diff --git a/test/shot-tests/package.json b/test/shot-tests/package.json
index ed12918..75246e1 100644
--- a/test/shot-tests/package.json
+++ b/test/shot-tests/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "puppeteer": "^1.2.0",
+    "puppeteer": "^1.13.0",
     "url-to-screenshot": "^2.0.1",
     "webshot": "^0.18.0",
     "yargs": "^11.0.0"