diff --git a/package.json b/package.json
index d4c3aa5..2dc52c6 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@slack/bolt": "3.9.0",
-    "dotenv": "14.2.0",
+    "dotenv": "16.4.6",
     "slackify-markdown": "4.3.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index f1d2232..f051ff3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -625,10 +625,10 @@ dot-prop@^5.2.0:
   dependencies:
     is-obj "^2.0.0"
 
-dotenv@14.2.0:
-  version "14.2.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-14.2.0.tgz#7e77fd5dd6cff5942c4496e1acf2d0f37a9e67aa"
-  integrity sha512-05POuPJyPpO6jqzTNweQFfAyMSD4qa4lvsMOWyTRTdpHKy6nnnN+IYWaXF+lHivhBH/ufDKlR4IWCAN3oPnHuw==
+dotenv@16.4.6:
+  version "16.4.6"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.4.6.tgz#fc88e8a664087abf3e19d61e21f7feee1849bbb1"
+  integrity sha512-JhcR/+KIjkkjiU8yEpaB/USlzVi3i5whwOjpIRNGi9svKEXZSe+Qp6IWAjFjv+2GViAoDRCUv/QLNziQxsLqDg==
 
 duplexer3@^0.1.4:
   version "0.1.4"