diff --git a/.depcheckrc.json b/.depcheckrc.json
index 28529cef..2d47463c 100644
--- a/.depcheckrc.json
+++ b/.depcheckrc.json
@@ -1,7 +1,8 @@
 {
   "parsers": {
     "**/*.mjs": "es6",
-    "**/*.ts": "typescript"
+    "**/*.ts": "typescript",
+    "**/*.mts": "typescript"
   },
   "ignores": [
     "@lavamoat/allow-scripts",
diff --git a/.eslintrc.js b/.eslintrc.js
index c1cb4a1e..112e5826 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -5,12 +5,12 @@ module.exports = {
 
   overrides: [
     {
-      files: ['*.ts'],
+      files: ['*.ts', '*.mts'],
       extends: ['@metamask/eslint-config-typescript'],
     },
 
     {
-      files: ['*.js', '*.ts'],
+      files: ['*.js', '*.ts', '*.mts'],
       parserOptions: {
         sourceType: 'script',
       },
@@ -18,7 +18,7 @@ module.exports = {
     },
 
     {
-      files: ['*.mjs'],
+      files: ['*.mjs', '*.mts'],
       parserOptions: {
         sourceType: 'module',
         ecmaVersion: 2022,
diff --git a/jest.config.js b/jest.config.js
index 80e4ce81..9c906cdf 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -41,10 +41,10 @@ module.exports = {
   // An object that configures minimum threshold enforcement for coverage results
   coverageThreshold: {
     global: {
-      branches: 49.56,
-      functions: 55.62,
-      lines: 56.13,
-      statements: 56.19,
+      branches: 60.84,
+      functions: 62.25,
+      lines: 65.68,
+      statements: 65.84,
     },
   },
 
diff --git a/package.json b/package.json
index 130840f5..715f0a3e 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "url": "https://github.com/MetaMask/github-tools.git"
   },
   "scripts": {
-    "changelog:check": "ts-node src/changelog-check.ts",
+    "changelog:check": "node --loader ts-node/esm src/changelog-check.mts",
     "count-references-to-contributor-docs": "ts-node --swc src/scripts/count-references-to-contributor-docs/cli.ts",
     "gen:commits": "node .github/scripts/generate-rc-commits.mjs",
     "get-review-metrics": "ts-node src/get-review-metrics.ts",
@@ -16,7 +16,7 @@
     "lint:constraints": "yarn constraints",
     "lint:changelog": "auto-changelog validate --prettier",
     "lint:dependencies": "depcheck && yarn dedupe",
-    "lint:eslint": "eslint . --cache --ext js,ts && eslint --no-ignore --cache --ext mjs .github/actions/draft-segment-schema-pr",
+    "lint:eslint": "eslint . --cache --ext js,ts,mts && eslint --no-ignore --cache --ext mjs .github/actions/draft-segment-schema-pr",
     "lint:fix": "yarn lint:eslint --fix && yarn lint:constraints --fix && yarn lint:misc --write && yarn lint:dependencies",
     "lint:misc": "prettier '**/*.json' '**/*.md' '**/*.yml' '!.yarnrc.yml' '!.cursor/**' --ignore-path .gitignore --no-error-on-unmatched-pattern",
     "lint:tsc": "tsc",
diff --git a/src/changelog-check.ts b/src/changelog-check.mts
similarity index 100%
rename from src/changelog-check.ts
rename to src/changelog-check.mts
diff --git a/tsconfig.json b/tsconfig.json
index a6ca900d..25251915 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,11 +4,12 @@
     "exactOptionalPropertyTypes": true,
     "forceConsistentCasingInFileNames": true,
     "lib": ["ES2022"],
-    "module": "CommonJS",
-    "moduleResolution": "node",
+    "module": "Node16",
+    "moduleResolution": "Node16",
     "noEmit": true,
     "noErrorTruncation": true,
     "noUncheckedIndexedAccess": true,
+    "skipLibCheck": true,
     "strict": true,
     "target": "es2020"
   },