diff --git a/package-lock.json b/package-lock.json
index 3dc0e1d..e121b5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,35 +1,55 @@
 {
     "name": "pasm-syntax",
     "version": "0.0.1",
-    "lockfileVersion": 1,
+    "lockfileVersion": 3,
     "requires": true,
-    "dependencies": {
-        "argparse": {
+    "packages": {
+        "": {
+            "version": "0.0.1",
+            "devDependencies": {
+                "js-yaml": "^3.14.2"
+            },
+            "engines": {
+                "vscode": "^1.42.0"
+            }
+        },
+        "node_modules/argparse": {
             "version": "1.0.10",
             "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
             "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
             "dev": true,
-            "requires": {
+            "dependencies": {
                 "sprintf-js": "~1.0.2"
             }
         },
-        "esprima": {
+        "node_modules/esprima": {
             "version": "4.0.1",
             "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
             "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-            "dev": true
+            "dev": true,
+            "bin": {
+                "esparse": "bin/esparse.js",
+                "esvalidate": "bin/esvalidate.js"
+            },
+            "engines": {
+                "node": ">=4"
+            }
         },
-        "js-yaml": {
-            "version": "3.13.1",
-            "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
-            "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
+        "node_modules/js-yaml": {
+            "version": "3.14.2",
+            "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.2.tgz",
+            "integrity": "sha512-PMSmkqxr106Xa156c2M265Z+FTrPl+oxd/rgOQy2tijQeK5TxQ43psO1ZCwhVOSdnn+RzkzlRz/eY4BgJBYVpg==",
             "dev": true,
-            "requires": {
+            "license": "MIT",
+            "dependencies": {
                 "argparse": "^1.0.7",
                 "esprima": "^4.0.0"
+            },
+            "bin": {
+                "js-yaml": "bin/js-yaml.js"
             }
         },
-        "sprintf-js": {
+        "node_modules/sprintf-js": {
             "version": "1.0.3",
             "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
             "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
diff --git a/package.json b/package.json
index 33d2b2e..42ac801 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,6 @@
         ]
     },
     "devDependencies": {
-        "js-yaml": "^3.13.1"
+        "js-yaml": "^3.14.2"
     }
 }