diff --git a/bot-slack/package-lock.json b/bot-slack/package-lock.json
index 9237dda5..539a1c0c 100644
--- a/bot-slack/package-lock.json
+++ b/bot-slack/package-lock.json
@@ -12,7 +12,7 @@
         "@slack/bolt": "^3.12.2",
         "body-parser": "^1.19.1",
         "coverage": "0.4.1",
-        "dotenv": "^16.0.3",
+        "dotenv": "^16.4.5",
         "express": "^4.18.2",
         "lib": "^4.3.3",
         "node-cron": "^3.0.0",
@@ -2454,11 +2454,14 @@
       }
     },
     "node_modules/dotenv": {
-      "version": "16.0.3",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz",
-      "integrity": "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ==",
+      "version": "16.4.5",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.5.tgz",
+      "integrity": "sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==",
       "engines": {
         "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
       }
     },
     "node_modules/ecc-jsbn": {
diff --git a/bot-slack/package.json b/bot-slack/package.json
index fd75c588..f20160c1 100644
--- a/bot-slack/package.json
+++ b/bot-slack/package.json
@@ -16,7 +16,7 @@
     "@slack/bolt": "^3.12.2",
     "body-parser": "^1.19.1",
     "coverage": "0.4.1",
-    "dotenv": "^16.0.3",
+    "dotenv": "^16.4.5",
     "express": "^4.18.2",
     "lib": "^4.3.3",
     "node-cron": "^3.0.0",