diff --git a/package-lock.json b/package-lock.json
index 64b0e835c..d326e6574 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "natural",
-  "version": "6.2.0",
+  "version": "6.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "natural",
-      "version": "6.2.0",
+      "version": "6.1.0",
       "license": "MIT",
       "dependencies": {
         "afinn-165": "^1.0.2",
@@ -19,6 +19,7 @@
         "wordnet-db": "^3.1.11"
       },
       "devDependencies": {
+        "@types/node": "^18.11.18",
         "browserfs": "^1.4.3",
         "gulp": "^4.0.2",
         "gulp-jasmine": "^4.0.0",
@@ -643,6 +644,12 @@
       "integrity": "sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==",
       "dev": true
     },
+    "node_modules/@types/node": {
+      "version": "18.11.18",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
+      "integrity": "sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA==",
+      "dev": true
+    },
     "node_modules/@webassemblyjs/ast": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.9.0.tgz",
@@ -12059,6 +12066,12 @@
       "integrity": "sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==",
       "dev": true
     },
+    "@types/node": {
+      "version": "18.11.18",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
+      "integrity": "sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA==",
+      "dev": true
+    },
     "@webassemblyjs/ast": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.9.0.tgz",
diff --git a/package.json b/package.json
index 8ec81507e..b5bc4dd8b 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "wordnet-db": "^3.1.11"
   },
   "devDependencies": {
+    "@types/node": "^18.11.18",
     "browserfs": "^1.4.3",
     "gulp": "^4.0.2",
     "gulp-jasmine": "^4.0.0",