diff --git a/functions/package-lock.json b/functions/package-lock.json
index 8e3cde1..87a0c6a 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
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-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
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+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
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@@ -3049,11 +3034,6 @@
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-      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
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       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
@@ -3183,17 +3163,12 @@
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-      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
-      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs="
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-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
-      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
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+        "string-width": "^1.0.2 || 2 || 3 || 4"
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diff --git a/functions/package.json b/functions/package.json
index d50ac79..93a8284 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -17,7 +17,7 @@
     "firebase-admin": "~7.0.0",
     "firebase-functions": "^2.2.1",
     "fs-extra": "^7.0.1",
-    "sharp": "^0.22.0"
+    "sharp": "^0.30.5"
   },
   "devDependencies": {
     "tslint": "^5.12.0",