diff --git a/.gitignore b/.gitignore
index a6958075..0d9fc7cf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 __tests__/runner/*
+node_modules
+package-lock.json
diff --git a/action.yml b/action.yml
index c66c7e88..9e1fd43d 100644
--- a/action.yml
+++ b/action.yml
@@ -5,5 +5,5 @@ inputs:
   payload:
     description: Raw Slack incoming webhook payload
 runs:
-  using: 'node12'
+  using: 'node16'
   main: 'lib/main.js'
diff --git a/package.json b/package.json
index 55973b24..1e11205b 100644
--- a/package.json
+++ b/package.json
@@ -20,21 +20,21 @@
   "author": "GitHub",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.0.0",
-    "@actions/io": "^1.0.0",
-    "@actions/exec": "^1.0.0",
-    "@actions/github": "^1.0.0",
-    "@actions/tool-cache": "^1.0.0",
-    "@slack/webhook": "^5.0.1",
-    "semver": "^6.1.1"
+    "@actions/core": "^1.10.0",
+    "@actions/io": "^1.1.2",
+    "@actions/exec": "^1.1.1",
+    "@actions/github": "^5.1.1",
+    "@actions/tool-cache": "^2.0.1",
+    "@slack/webhook": "^6.1.0",
+    "semver": "^7.3.8"
   },
   "devDependencies": {
-    "@types/jest": "^24.0.13",
-    "@types/node": "^12.0.4",
-    "@types/semver": "^6.0.0",
-    "jest": "^24.8.0",
-    "jest-circus": "^24.7.1",
-    "ts-jest": "^24.0.2",
-    "typescript": "^3.5.1"
+    "@types/jest": "^29.4.0",
+    "@types/node": "^18.14.6",
+    "@types/semver": "^7.3.13",
+    "jest": "^29.5.0",
+    "jest-circus": "^29.5.0",
+    "ts-jest": "^29.0.5",
+    "typescript": "^4.9.5"
   }
 }