diff --git a/package-lock.json b/package-lock.json
index 4caf6c1..2207a2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -328,6 +328,11 @@
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+      "resolved": "https://registry.npmjs.org/abc/-/abc-0.6.1.tgz",
+      "integrity": "sha1-P2CGgpWtplMG/Xo+ACXMadVsOag="
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       "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
@@ -1516,16 +1521,22 @@
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-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.2.tgz",
-      "integrity": "sha512-4PwqDL2laXtTWZghzzCtunQUTLbo31pcCJrd/B/9JP8XbhVzpS5ZXuKqlOzsd1rtcaLo4KqAn8nl8mkknS4MHw==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
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+        "minimist": {
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+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
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@@ -2204,9 +2215,9 @@
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-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
-      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw=="
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
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@@ -2434,6 +2445,11 @@
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       "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
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+    "nvm": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/nvm/-/nvm-0.0.4.tgz",
+      "integrity": "sha1-OKF46dMbKDUIyS0VydqGHRqSELw="
+    },
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       "resolved": "https://registry.npmjs.org/nw-gyp/-/nw-gyp-3.6.5.tgz",
@@ -2527,22 +2543,6 @@
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-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.10",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
-        }
-      }
-    },
     "os-homedir": {
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       "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
@@ -3543,28 +3543,10 @@
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-      "version": "3.7.6",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.6.tgz",
-      "integrity": "sha512-yYqjArOYSxvqeeiYH2VGjZOqq6SVmhxzaPjJC1W2F9e+bqvFL9QXQ2osQuKUFjM2hGjKG2YclQnRKWQSt/nOTQ==",
-      "optional": true,
-      "requires": {
-        "commander": "~2.20.3",
-        "source-map": "~0.6.1"
-      },
-      "dependencies": {
-        "commander": {
-          "version": "2.20.3",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
-          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
-          "optional": true
-        },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "optional": true
-        }
-      }
+      "version": "3.13.5",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.5.tgz",
+      "integrity": "sha512-xtB8yEqIkn7zmOyS2zUNBsYCBRhDkvlNxMMY2smuJ/qA8NCHeQvKCF3i9Z4k8FJH4+PJvZRtMrPynfZ75+CSZw==",
+      "optional": true
     },
     "undefsafe": {
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@@ -3832,9 +3814,9 @@
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     "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
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diff --git a/package.json b/package.json
index 88568e6..8a196c3 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "@types/node": "^13.1.8",
     "abc": "^0.6.1",
     "diff": "^4.0.2",
-    "handlebars": "^4.7.2",
+    "handlebars": "^4.7.7",
     "is-png": "^2.0.0",
     "jasmine": "^3.5.0",
     "jimp": "^0.9.3",