diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60f1b97..75396fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Execute action using `node20` instead of `node16` which is now deprecated.
+
 ## [1.3.1] - 2023-06-28
 
 ### Fixed
diff --git a/action.yml b/action.yml
index 15fa082..25ddc72 100644
--- a/action.yml
+++ b/action.yml
@@ -44,5 +44,5 @@ outputs:
   html_url:
     description: 'URL that Pull Request may be reviewed at'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
diff --git a/package.json b/package.json
index 0430f44..efc9f8d 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@types/jest": "^24.0.23",
-    "@types/node": "^12.7.12",
+    "@types/node": "^20.12.7",
     "jest": "^24.9.0",
     "jest-circus": "^25.1.0",
     "mock-env": "^0.2.0",
diff --git a/yarn.lock b/yarn.lock
index 12ee240..9eb6966 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -693,10 +693,12 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-13.7.1.tgz#238eb34a66431b71d2aaddeaa7db166f25971a0d"
   integrity sha512-Zq8gcQGmn4txQEJeiXo/KiLpon8TzAl0kmKH4zdWctPj05nWwp1ClMdAVEloqrQKfaC48PNLdgN/aVaLqUrluA==
 
-"@types/node@^12.7.12":
-  version "12.12.14"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.14.tgz#1c1d6e3c75dba466e0326948d56e8bd72a1903d2"
-  integrity sha512-u/SJDyXwuihpwjXy7hOOghagLEV1KdAST6syfnOk6QZAMzZuWZqXy5aYYZbh8Jdpd4escVFP0MvftHNDb9pruA==
+"@types/node@^20.12.7":
+  version "20.12.7"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.12.7.tgz#04080362fa3dd6c5822061aa3124f5c152cff384"
+  integrity sha512-wq0cICSkRLVaf3UGLMGItu/PtdY7oaXaI/RVU+xliKVOtRna3PRY57ZDfztpDL0n11vfymMUnXv8QwYCO7L1wg==
+  dependencies:
+    undici-types "~5.26.4"
 
 "@types/stack-utils@^1.0.1":
   version "1.0.1"
@@ -5469,6 +5471,11 @@ uglify-js@^3.1.4:
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.14.1.tgz#e2cb9fe34db9cb4cf7e35d1d26dfea28e09a7d06"
   integrity sha512-JhS3hmcVaXlp/xSo3PKY5R0JqKs5M3IV+exdLHW99qKvKivPO4Z8qbej6mte17SOPqAOVMjt/XGgWacnFSzM3g==
 
+undici-types@~5.26.4:
+  version "5.26.5"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-5.26.5.tgz#bcd539893d00b56e964fd2657a4866b221a65617"
+  integrity sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==
+
 union-value@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"