diff --git a/package-lock.json b/package-lock.json
index 19f46a5..fa3e5c5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,14 +14,14 @@
         "csvtojson": "^2.0.10",
         "lodash": "^4.17.17",
         "sentiment": "^5.0.2",
-        "stemmer": "^1.0.4"
+        "stemmer": "^2.0.0"
       },
       "devDependencies": {
         "@types/csvtojson": "2.0.0",
         "@types/elasticsearch": "5.0.43",
         "@types/lodash": "4.14.192",
         "@types/node": "12.20.55",
-        "@types/stemmer": "1.0.2",
+        "@types/stemmer": "2.0.0",
         "nodemon": "2.0.22",
         "ts-node": "9.1.1",
         "typescript": "3.9.10"
@@ -76,10 +76,14 @@
       "dev": true
     },
     "node_modules/@types/stemmer": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@types/stemmer/-/stemmer-1.0.2.tgz",
-      "integrity": "sha512-2gWEIFqVZjjZxo8/TcugCAl7nW9Jd9ArEDpTAc5nH7d+ZUkreHA7GzuFcLZ0sflLrA5b1PZ+2yDyHJcuP9KWWw==",
-      "dev": true
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@types/stemmer/-/stemmer-2.0.0.tgz",
+      "integrity": "sha512-OSRg3/3FaSOvE0OqWgLlUtBLygqbqjb5ByRF7osVsD1taVsTIwoDD1pkadBDTS3c3FShzveKVoGEDzO0j63Hfw==",
+      "deprecated": "This is a stub types definition. stemmer provides its own type definitions, so you do not need this installed.",
+      "dev": true,
+      "dependencies": {
+        "stemmer": "*"
+      }
     },
     "node_modules/abbrev": {
       "version": "1.1.1",
@@ -644,9 +648,9 @@
       }
     },
     "node_modules/stemmer": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/stemmer/-/stemmer-1.0.5.tgz",
-      "integrity": "sha512-SLq7annzSKRDStasOJJoftCSCzBCKmBmH38jC4fDtCunAqOzpTpIm9zmaHmwNJiZ8gLe9qpVdBVbEG2DC5dE2A==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/stemmer/-/stemmer-2.0.1.tgz",
+      "integrity": "sha512-bkWvSX2JR4nSZFfs113kd4C6X13bBBrg4fBKv2pVdzpdQI2LA5pZcWzTFNdkYsiUNl13E4EzymSRjZ0D55jBYg==",
       "bin": {
         "stemmer": "cli.js"
       },
diff --git a/package.json b/package.json
index f3dd7cc..43ed2d8 100644
--- a/package.json
+++ b/package.json
@@ -22,14 +22,14 @@
     "csvtojson": "^2.0.10",
     "lodash": "^4.17.17",
     "sentiment": "^5.0.2",
-    "stemmer": "^1.0.4"
+    "stemmer": "^2.0.0"
   },
   "devDependencies": {
     "@types/csvtojson": "2.0.0",
     "@types/elasticsearch": "5.0.43",
     "@types/lodash": "4.14.192",
     "@types/node": "12.20.55",
-    "@types/stemmer": "1.0.2",
+    "@types/stemmer": "2.0.0",
     "nodemon": "2.0.22",
     "ts-node": "9.1.1",
     "typescript": "3.9.10"