diff --git a/package-lock.json b/package-lock.json
index 6b5249d..1310eb7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -200,12 +200,9 @@
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-            "requires": {
-                "sprintf-js": "~1.0.2"
-            }
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+            "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
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@@ -550,11 +547,6 @@
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-        "esprima": {
-            "version": "4.0.1",
-            "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-            "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
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@@ -806,12 +798,11 @@
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-            "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
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+            "version": "4.1.1",
+            "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+            "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
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-                "argparse": "^1.0.7",
-                "esprima": "^4.0.0"
+                "argparse": "^2.0.1"
             }
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@@ -892,13 +883,6 @@
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                 "mdurl": "^1.0.1",
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-            },
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-                    "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
-                    "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
-                }
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         "mdurl": {
@@ -1358,11 +1342,6 @@
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-        "sprintf-js": {
-            "version": "1.0.3",
-            "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-            "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
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             "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
@@ -1389,6 +1368,21 @@
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+        "string_decoder": {
+            "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==",
+            "requires": {
+                "safe-buffer": "~5.2.0"
+            },
+            "dependencies": {
+                "safe-buffer": {
+                    "version": "5.2.1",
+                    "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+                    "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+                }
+            }
+        },
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             "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
@@ -1411,21 +1405,6 @@
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-            "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-            "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
-            "requires": {
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-            "dependencies": {
-                "safe-buffer": {
-                    "version": "5.2.1",
-                    "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-                    "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
-                }
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             "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
diff --git a/package.json b/package.json
index 447cdf1..a75b249 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
         "config": "^3.3.1",
         "console-stamp": "^3.0.0",
         "express": "^4.17.1",
-        "js-yaml": "^3.13.1",
+        "js-yaml": "^4.1.1",
         "markdown-it": "^12.3.2",
         "mqtt": "^4.3.7",
         "request": "^2.88.2",