diff --git a/package-lock.json b/package-lock.json
index 046b8b0fd2..0cb1b19ec6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2023,9 +2023,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
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+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
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@@ -2950,29 +2950,34 @@
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-      "resolved": "https://registry.npmjs.org/buble/-/buble-0.19.8.tgz",
-      "integrity": "sha512-IoGZzrUTY5fKXVkgGHw3QeXFMUNBFv+9l8a4QJKG1JhG3nCMHTdEX1DCOg8568E2Q9qvAQIiSokv6Jsgx8p2cA==",
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+      "resolved": "https://registry.npmjs.org/buble/-/buble-0.20.0.tgz",
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       "dev": true,
       "requires": {
-        "acorn": "^6.1.1",
+        "acorn": "^6.4.1",
         "acorn-dynamic-import": "^4.0.0",
-        "acorn-jsx": "^5.0.1",
+        "acorn-jsx": "^5.2.0",
         "chalk": "^2.4.2",
-        "magic-string": "^0.25.3",
-        "minimist": "^1.2.0",
-        "os-homedir": "^2.0.0",
-        "regexpu-core": "^4.5.4"
+        "magic-string": "^0.25.7",
+        "minimist": "^1.2.5",
+        "regexpu-core": "4.5.4"
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-          "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.4.tgz",
-          "integrity": "sha512-oycWO9nEVAP2RVPbIoDoA4Y7LFIJ3xRYov93gAyJhZkET1tNuB0u7uWkZS2LpBWTJUWnmau/To8ECWRC+jKNfw==",
+          "version": "0.25.7",
+          "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.7.tgz",
+          "integrity": "sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==",
           "dev": true,
           "requires": {
             "sourcemap-codec": "^1.4.4"
           }
+        },
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
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@@ -9101,12 +9106,6 @@
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-    "os-homedir": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-2.0.0.tgz",
-      "integrity": "sha512-saRNz0DSC5C/I++gFIaJTXoFJMRwiP5zHar5vV3xQ2TkgEw6hDCcU5F272JjUylpiVgBrZNQHnfjkLabTfb92Q==",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
@@ -9865,9 +9864,9 @@
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-      "resolved": "https://registry.npmjs.org/regenerate-unicode-properties/-/regenerate-unicode-properties-8.0.2.tgz",
-      "integrity": "sha512-SbA/iNrBUf6Pv2zU8Ekv1Qbhv92yxL4hiDa2siuxs4KKn4oOoMDHXjAf7+Nz9qinUQ46B1LcWEi/PhJfPWpZWQ==",
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/regenerate-unicode-properties/-/regenerate-unicode-properties-8.2.0.tgz",
+      "integrity": "sha512-F9DjY1vKLo/tPePDycuH3dn9H1OTPIkVD9Kz4LODu+F2C75mgjAJ7x/gwy6ZcSNRAAkhNlJSOHRe8k3p+K9WhA==",
       "dev": true,
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@@ -9929,15 +9928,15 @@
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-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.5.0.tgz",
-      "integrity": "sha512-RnIrLhrXCX5ow/E5/Mh2O4e/oa1/jW0eaBKTSy3LaCj+M3Bqvm97GWDp2yUtzIs4LEn65zR2yiYGFqb2ApnzDA==",
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.5.1.tgz",
+      "integrity": "sha512-5qxzGZjDs9w4tzT3TPhCJqWdCc3RLYwy9J2NB0nm5Lz+S273lvWcpjaTGHsT1dc6Hhfq41uSEOw8wBmxrKOuyg==",
       "dev": true
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     "regjsparser": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.6.0.tgz",
-      "integrity": "sha512-RQ7YyokLiQBomUJuUG8iGVvkgOLxwyZM8k6d3q5SAXpg4r5TZJZigKFvC6PpD+qQ98bCDC5YelPeA3EucDoNeQ==",
+      "version": "0.6.4",
+      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.6.4.tgz",
+      "integrity": "sha512-64O87/dPDgfk8/RQqC4gkZoGyyWFIEUTTh80CU6CWuK5vkCGyekIx+oKcEIYtP/RAxSQltCZHCNu/mdd7fqlJw==",
       "dev": true,
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@@ -11969,9 +11968,9 @@
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-      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.1.0.tgz",
-      "integrity": "sha512-hDTHvaBk3RmFzvSl0UVrUmC3PuW9wKVnpoUDYH0JDkSIovzw+J5viQmeYHxVSBptubnr7PbH2e0fnpDRQnQl5g==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.2.0.tgz",
+      "integrity": "sha512-wjuQHGQVofmSJv1uVISKLE5zO2rNGzM/KCYZch/QQvez7C1hUhBIuZ701fYXExuufJFMPhv2SyL8CyoIfMLbIQ==",
       "dev": true
     },
     "unicode-property-aliases-ecmascript": {
diff --git a/package.json b/package.json
index 932a509439..7d6c715384 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "@types/pbf": "^3.0.2",
     "@types/topojson-specification": "^1.0.1",
     "babel-loader": "^8.0.5",
-    "buble": "^0.19.7",
+    "buble": "^0.20.0",
     "buble-loader": "^0.5.1",
     "chaikin-smooth": "^1.0.4",
     "clean-css-cli": "4.3.0",