diff --git a/package-lock.json b/package-lock.json
index 0b21e9d..ab7e2ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "staticmaps",
-  "version": "1.1.2",
+  "version": "1.1.3",
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+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
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@@ -889,20 +890,6 @@
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-      "dev": true
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-      "dev": true
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@@ -959,7 +950,8 @@
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@@ -983,7 +975,8 @@
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-      "dev": true
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+          "optional": true,
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@@ -1053,6 +1049,7 @@
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@@ -1062,6 +1059,7 @@
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@@ -1070,6 +1068,11 @@
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+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
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@@ -1086,12 +1089,30 @@
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+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
       "requires": {
-        "readable-stream": "^2.3.5",
-        "safe-buffer": "^5.1.1"
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "readable-stream": {
+          "version": "3.6.2",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+          "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
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@@ -1114,6 +1135,7 @@
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+      "optional": true,
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@@ -1132,6 +1154,7 @@
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           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
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+          "optional": true,
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@@ -1155,25 +1178,15 @@
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-      "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
+    "buffer": {
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+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
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-        "buffer-alloc-unsafe": "^1.1.0",
-        "buffer-fill": "^1.0.0"
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
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-      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
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-      "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
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@@ -1185,6 +1198,7 @@
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+      "optional": true,
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@@ -1279,15 +1293,16 @@
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+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
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@@ -1300,6 +1315,7 @@
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@@ -1412,31 +1428,49 @@
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-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
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       "integrity": "sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=",
       "dev": true,
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+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/color/-/color-4.2.3.tgz",
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-        "color-convert": "^1.9.1",
-        "color-string": "^1.5.2"
+        "color-convert": "^2.0.1",
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+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
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@@ -1447,9 +1481,9 @@
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@@ -1485,7 +1519,8 @@
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@@ -1493,11 +1528,6 @@
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-      "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
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@@ -1642,6 +1677,7 @@
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@@ -5469,6 +5538,7 @@
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@@ -5489,6 +5560,7 @@
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@@ -5595,6 +5668,7 @@
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@@ -5607,6 +5681,7 @@
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@@ -5616,6 +5691,7 @@
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@@ -5630,6 +5706,7 @@
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@@ -5640,6 +5717,7 @@
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@@ -5651,6 +5729,7 @@
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@@ -5661,7 +5740,8 @@
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-      "dev": true
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-      "dev": true
+      "dev": true,
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@@ -5737,15 +5819,11 @@
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+      "dev": true,
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@@ -5780,11 +5858,6 @@
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@@ -5792,9 +5865,9 @@
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+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
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diff --git a/package.json b/package.json
index 5db901e..3a8050f 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
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     "request-promise": "^4.2.4",
-    "sharp": "^0.22.1"
+    "sharp": "^0.29.3"
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     "@babel/cli": "^7.2.3",