diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 09b36280..cbdd5296 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['16', '18', '20']
+        node: ['18', '20']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/package-lock.json b/package-lock.json
index a21d9de7..87c579ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,6 +22,7 @@
         "js-yaml": "^4.0.0",
         "json5": "^2.2.0",
         "minimatch": "^9.0.0",
+        "smol-toml": "^1.0.1",
         "yargs": "^17.0.1"
       },
       "bin": {
@@ -39,7 +40,7 @@
         "prettier": "^3.0.0"
       },
       "engines": {
-        "node": ">=16"
+        "node": ">=18"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -3134,6 +3135,15 @@
       "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
       "dev": true
     },
+    "node_modules/smol-toml": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.1.4.tgz",
+      "integrity": "sha512-Y0OT8HezWsTNeEOSVxDnKOW/AyNXHQ4BwJNbAXlLTF5wWsBvrcHhIkE5Rf8kQMLmgf7nDX3PVOlgC6/Aiggu3Q==",
+      "engines": {
+        "node": ">= 18",
+        "pnpm": ">= 8"
+      }
+    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -5736,6 +5746,11 @@
       "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
       "dev": true
     },
+    "smol-toml": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.1.4.tgz",
+      "integrity": "sha512-Y0OT8HezWsTNeEOSVxDnKOW/AyNXHQ4BwJNbAXlLTF5wWsBvrcHhIkE5Rf8kQMLmgf7nDX3PVOlgC6/Aiggu3Q=="
+    },
     "string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
diff --git a/package.json b/package.json
index f161b567..c0aca65b 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,7 @@
     "js-yaml": "^4.0.0",
     "json5": "^2.2.0",
     "minimatch": "^9.0.0",
+    "smol-toml": "^1.0.1",
     "yargs": "^17.0.1"
   },
   "devDependencies": {
@@ -55,7 +56,7 @@
     "prettier": "^3.0.0"
   },
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   },
   "type": "module",
   "keywords": [
diff --git a/src/cli.spec.js b/src/cli.spec.js
index 745c0876..87c917c0 100644
--- a/src/cli.spec.js
+++ b/src/cli.spec.js
@@ -421,6 +421,16 @@ describe("CLI", function () {
       });
     });
 
+    it("should validate toml files", function () {
+      return cli({
+        patterns: ["./testfiles/files/valid.toml"],
+        schema: "./testfiles/schemas/schema.json",
+      }).then((result) => {
+        assert.equal(result, 0);
+        assert(logContainsSuccess("./testfiles/files/valid.toml is valid"));
+      });
+    });
+
     it("should use custom parser in preference to file extension if specified", function () {
       return cli({
         patterns: ["./testfiles/files/with-comments.json"],
diff --git a/src/parser.js b/src/parser.js
index c775a2d0..32e46730 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -1,5 +1,6 @@
 import JSON5 from "json5";
 import yaml from "js-yaml";
+import { parse } from "smol-toml";
 
 function parseDocument(contents, format) {
   switch (format) {
@@ -13,6 +14,8 @@ function parseDocument(contents, format) {
     case ".yml":
     case ".yaml":
       return yaml.load(contents);
+    case ".toml":
+      return parse(contents);
     default:
       throw new Error(`Unsupported format ${format}`);
   }
diff --git a/testfiles/files/valid.toml b/testfiles/files/valid.toml
new file mode 100644
index 00000000..6d8f5f95
--- /dev/null
+++ b/testfiles/files/valid.toml
@@ -0,0 +1 @@
+num = 4
\ No newline at end of file