diff --git a/types/single-trailing-newline/index.d.ts b/types/single-trailing-newline/index.d.ts
new file mode 100644
index 0000000000..53b5b9bf14
--- /dev/null
+++ b/types/single-trailing-newline/index.d.ts
@@ -0,0 +1,11 @@
+// Type definitions for single-trailing-newline 1.0
+// Project: https://github.com/johnotander/single-trailing-newline
+// Definitions by: Peter Juras <https://github.com/peterjuras>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * Takes a string and returns it with a single trailing newline
+ */
+declare function singleTrailingNewline(str: string): string;
+
+export = singleTrailingNewline;
diff --git a/types/single-trailing-newline/single-trailing-newline-tests.ts b/types/single-trailing-newline/single-trailing-newline-tests.ts
new file mode 100644
index 0000000000..1db33a149f
--- /dev/null
+++ b/types/single-trailing-newline/single-trailing-newline-tests.ts
@@ -0,0 +1,3 @@
+import singleTrailingNewline = require('single-trailing-newline');
+
+singleTrailingNewline(''); // $ExpectType string
diff --git a/types/single-trailing-newline/tsconfig.json b/types/single-trailing-newline/tsconfig.json
new file mode 100644
index 0000000000..36d0f9146c
--- /dev/null
+++ b/types/single-trailing-newline/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "single-trailing-newline-tests.ts"
+    ]
+}
diff --git a/types/single-trailing-newline/tslint.json b/types/single-trailing-newline/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/single-trailing-newline/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }