diff --git a/.nvmrc b/.nvmrc
index b460d6f..2dbbe00 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-18.12.1
+20.11.1
diff --git a/package-lock.json b/package-lock.json
index e2a9088..7d53b0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,15 +11,14 @@
                 "@netlify/functions": "^1.3.0",
                 "@slack/bolt": "^3.12.2",
                 "@types/aws-lambda": "^8.10.75",
-                "@types/node": "^18.11.18",
+                "@types/node": "^20.0.0",
                 "@types/node-fetch": "^2.6.2",
                 "axios": "^1.2.2",
                 "dotenv": "^16.0.3",
                 "encoding": "^0.1.13",
                 "node-fetch": "^3.3.0",
                 "typescript": "^4.2.4"
-            },
-            "devDependencies": {}
+            }
         },
         "node_modules/@netlify/functions": {
             "version": "1.3.0",
@@ -259,9 +258,12 @@
             "integrity": "sha512-Y4XFY5VJAuw0FgAqPNd6NNoV44jbq9Bz2L7Rh/J6jLTiHBSBJa9fxqQIvkIld4GsoDOcCbvzOUAbLPsSKKg+uA=="
         },
         "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=="
+            "version": "20.11.17",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.17.tgz",
+            "integrity": "sha512-QmgQZGWu1Yw9TDyAP9ZzpFJKynYNeOvwMJmaxABfieQoVoiVOS6MN1WSpqpRcbeA5+RW82kraAVxCCJg+780Qw==",
+            "dependencies": {
+                "undici-types": "~5.26.4"
+            }
         },
         "node_modules/@types/node-fetch": {
             "version": "2.6.2",
@@ -1805,6 +1807,11 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/undici-types": {
+            "version": "5.26.5",
+            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+            "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+        },
         "node_modules/unpipe": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -2084,9 +2091,12 @@
             "integrity": "sha512-Y4XFY5VJAuw0FgAqPNd6NNoV44jbq9Bz2L7Rh/J6jLTiHBSBJa9fxqQIvkIld4GsoDOcCbvzOUAbLPsSKKg+uA=="
         },
         "@types/node": {
-            "version": "18.11.18",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
-            "integrity": "sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA=="
+            "version": "20.11.17",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.17.tgz",
+            "integrity": "sha512-QmgQZGWu1Yw9TDyAP9ZzpFJKynYNeOvwMJmaxABfieQoVoiVOS6MN1WSpqpRcbeA5+RW82kraAVxCCJg+780Qw==",
+            "requires": {
+                "undici-types": "~5.26.4"
+            }
         },
         "@types/node-fetch": {
             "version": "2.6.2",
@@ -3215,6 +3225,11 @@
                 "which-boxed-primitive": "^1.0.2"
             }
         },
+        "undici-types": {
+            "version": "5.26.5",
+            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+            "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+        },
         "unpipe": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
diff --git a/package.json b/package.json
index 6e4487d..2c98e55 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
         "@netlify/functions": "^1.3.0",
         "@slack/bolt": "^3.12.2",
         "@types/aws-lambda": "^8.10.75",
-        "@types/node": "^18.11.18",
+        "@types/node": "^20.0.0",
         "@types/node-fetch": "^2.6.2",
         "axios": "^1.2.2",
         "dotenv": "^16.0.3",