diff --git a/package-lock.json b/package-lock.json
index 97ceb0c..b49aecd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "precss": "^4.0.0",
         "purgecss": "^4.0.3",
         "tachyons": "^4.12.0",
-        "terser": "^5.7.1",
+        "terser": "^5.14.2",
         "xml2js": "^0.4.23"
       },
       "devDependencies": {
@@ -247,6 +247,58 @@
         "node": ">=4.0.0"
       }
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+    "node_modules/@jridgewell/gen-mapping": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz",
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+        "@jridgewell/sourcemap-codec": "^1.4.10",
+        "@jridgewell/trace-mapping": "^0.3.9"
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+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz",
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+      }
+    },
+    "node_modules/@jridgewell/set-array": {
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+      "resolved": "https://registry.npmjs.org/@jridgewell/set-array/-/set-array-1.1.2.tgz",
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+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.1.tgz",
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@@ -913,9 +965,9 @@
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+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
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+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
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@@ -10668,13 +10720,14 @@
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.7.1.tgz",
-      "integrity": "sha512-b3e+d5JbHAe/JSjwsC3Zn55wsBIM7AsHLjKxT31kGCldgbpFePaFo+PiddtO6uwRZWRw7sPXmAN8dTW61xmnSg==",
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+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.14.2.tgz",
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       "dependencies": {
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+        "acorn": "^8.5.0",
         "commander": "^2.20.0",
-        "source-map": "~0.7.2",
-        "source-map-support": "~0.5.19"
+        "source-map-support": "~0.5.20"
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         "terser": "bin/terser"
@@ -10683,14 +10736,6 @@
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-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
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-        "node": ">= 8"
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@@ -11496,6 +11541,49 @@
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+    "@jridgewell/gen-mapping": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz",
+      "integrity": "sha512-mh65xKQAzI6iBcFzwv28KVWSmCkdRBWoOh+bYQGW3+6OZvbbN3TqMGo5hqYxQniRcH9F2VZIoJCm4pa3BPDK/A==",
+      "requires": {
+        "@jridgewell/set-array": "^1.0.1",
+        "@jridgewell/sourcemap-codec": "^1.4.10",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      }
+    },
+    "@jridgewell/resolve-uri": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.0.tgz",
+      "integrity": "sha512-F2msla3tad+Mfht5cJq7LSXcdudKTWCVYUgw6pLFOOHSTtZlj6SWNYAp+AhuqLmWdBO2X5hPrLcu8cVP8fy28w=="
+    },
+    "@jridgewell/set-array": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/set-array/-/set-array-1.1.2.tgz",
+      "integrity": "sha512-xnkseuNADM0gt2bs+BvhO0p78Mk762YnZdsuzFV018NoG1Sj1SCQvpSqa7XUaTam5vAGasABV9qXASMKnFMwMw=="
+    },
+    "@jridgewell/source-map": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@jridgewell/source-map/-/source-map-0.3.2.tgz",
+      "integrity": "sha512-m7O9o2uR8k2ObDysZYzdfhb08VuEml5oWGiosa1VdaPZ/A6QyPkAJuwN0Q1lhULOf6B7MtQmHENS743hWtCrgw==",
+      "requires": {
+        "@jridgewell/gen-mapping": "^0.3.0",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      }
+    },
+    "@jridgewell/sourcemap-codec": {
+      "version": "1.4.14",
+      "resolved": "https://registry.npmjs.org/@jridgewell/sourcemap-codec/-/sourcemap-codec-1.4.14.tgz",
+      "integrity": "sha512-XPSJHWmi394fuUuzDnGz1wiKqWfo1yXecHQMRf2l6hztTO+nPru658AyDngaBe7isIxEkRsPR3FZh+s7iVa4Uw=="
+    },
+    "@jridgewell/trace-mapping": {
+      "version": "0.3.14",
+      "resolved": "https://registry.npmjs.org/@jridgewell/trace-mapping/-/trace-mapping-0.3.14.tgz",
+      "integrity": "sha512-bJWEfQ9lPTvm3SneWwRFVLzrh6nhjwqw7TUFFBEMzwvg7t7PCDenf2lDwqo4NQXzdpgBXyFgDWnQA+2vkruksQ==",
+      "requires": {
+        "@jridgewell/resolve-uri": "^3.0.3",
+        "@jridgewell/sourcemap-codec": "^1.4.10"
+      }
+    },
     "@nodelib/fs.scandir": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.4.tgz",
@@ -11585,9 +11673,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.2.4.tgz",
-      "integrity": "sha512-Ibt84YwBDDA890eDiDCEqcbwvHlBvzzDkU2cGBBDDI1QWT12jTiXIOn2CIw5KK4i6N5Z2HUxwYjzriDyqaqqZg=="
+      "version": "8.7.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.1.tgz",
+      "integrity": "sha512-Xx54uLJQZ19lKygFXOWsscKUbsBZW0CPykPhVQdhIeIwrbPmJzqeASDInc8nKBnp/JT6igTs82qPXz069H8I/A=="
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     "acorn-globals": {
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@@ -12014,9 +12102,9 @@
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-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
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@@ -19343,9 +19431,9 @@
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-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
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+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
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@@ -19566,20 +19654,14 @@
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.7.1.tgz",
-      "integrity": "sha512-b3e+d5JbHAe/JSjwsC3Zn55wsBIM7AsHLjKxT31kGCldgbpFePaFo+PiddtO6uwRZWRw7sPXmAN8dTW61xmnSg==",
+      "version": "5.14.2",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.14.2.tgz",
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       "requires": {
+        "@jridgewell/source-map": "^0.3.2",
+        "acorn": "^8.5.0",
         "commander": "^2.20.0",
-        "source-map": "~0.7.2",
-        "source-map-support": "~0.5.19"
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diff --git a/package.json b/package.json
index 0c9385d..09b0c2f 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "precss": "^4.0.0",
     "purgecss": "^4.0.3",
     "tachyons": "^4.12.0",
-    "terser": "^5.7.1",
+    "terser": "^5.14.2",
     "xml2js": "^0.4.23"
   },
   "devDependencies": {