diff --git a/types/to-semver/index.d.ts b/types/to-semver/index.d.ts
new file mode 100644
index 0000000000..813c77378d
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+++ b/types/to-semver/index.d.ts
@@ -0,0 +1,26 @@
+// Type definitions for to-semver 1.1
+// Project: https://github.com/sindresorhus/to-semver#readme
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = toSemver;
+
+/**
+ * Get an array of valid, sorted, and cleaned [semver](http://semver.org/) versions from an array of strings.
+ */
+declare function toSemver(versions: string[], options?: toSemver.Options): string[];
+
+declare namespace toSemver {
+    interface Options {
+        /**
+         * Include prereleases, like `1.2.3-alpha.3`.
+         * @default true
+         */
+        includePrereleases?: boolean;
+        /**
+         * Clean versions. For example `v1.3.0` → `1.3.0`.
+         * @default true
+         */
+        clean?: boolean;
+    }
+}
diff --git a/types/to-semver/to-semver-tests.ts b/types/to-semver/to-semver-tests.ts
new file mode 100644
index 0000000000..5599c594d1
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+++ b/types/to-semver/to-semver-tests.ts
@@ -0,0 +1,3 @@
+import toSemver = require('to-semver');
+
+toSemver(['v1.3.16', 'v1.7.0', 'test', 'v1.6.9']); // $ExpectType string[]
diff --git a/types/to-semver/tsconfig.json b/types/to-semver/tsconfig.json
new file mode 100644
index 0000000000..0584eb2068
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+++ b/types/to-semver/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "to-semver-tests.ts"
+    ]
+}
diff --git a/types/to-semver/tslint.json b/types/to-semver/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/to-semver/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }