diff --git a/package-lock.json b/package-lock.json
index 1cfb380..c459529 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
-        "@types/node": "^10.0.0",
+        "@types/node": "^14.17.6",
         "serialport": "^8.0.7"
       },
       "devDependencies": {
@@ -121,9 +121,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "10.17.60",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.60.tgz",
-      "integrity": "sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw=="
+      "version": "14.18.53",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.18.53.tgz",
+      "integrity": "sha512-soGmOpVBUq+gaBMwom1M+krC/NNbWlosh4AtGA03SyWNDiqSKtwp7OulO1M6+mg8YkHMvJ/y0AkCeO8d1hNb7A=="
     },
     "node_modules/@webassemblyjs/ast": {
       "version": "1.9.0",
@@ -3881,9 +3881,9 @@
       }
     },
     "node_modules/semver": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
       "bin": {
         "semver": "bin/semver"
       }
@@ -5311,9 +5311,9 @@
       }
     },
     "@types/node": {
-      "version": "10.17.60",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.60.tgz",
-      "integrity": "sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw=="
+      "version": "14.18.53",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.18.53.tgz",
+      "integrity": "sha512-soGmOpVBUq+gaBMwom1M+krC/NNbWlosh4AtGA03SyWNDiqSKtwp7OulO1M6+mg8YkHMvJ/y0AkCeO8d1hNb7A=="
     },
     "@webassemblyjs/ast": {
       "version": "1.9.0",
@@ -8412,9 +8412,9 @@
       }
     },
     "semver": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g=="
     },
     "serialize-javascript": {
       "version": "4.0.0",