diff --git a/types/then-eos/index.d.ts b/types/then-eos/index.d.ts
new file mode 100644
index 0000000000..bd44297d51
--- /dev/null
+++ b/types/then-eos/index.d.ts
@@ -0,0 +1,12 @@
+// Type definitions for then-eos 1.0
+// Project: https://github.com/meoguru/node-then-eos
+// Definitions by: Sean Marvi Oliver Genabe <https://github.com/seangenabe>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node"/>
+
+type Stream = NodeJS.ReadableStream | NodeJS.WritableStream;
+
+declare function thenEos(stream: Stream): Promise<void>;
+
+export = thenEos;
diff --git a/types/then-eos/then-eos-tests.ts b/types/then-eos/then-eos-tests.ts
new file mode 100644
index 0000000000..7715f88009
--- /dev/null
+++ b/types/then-eos/then-eos-tests.ts
@@ -0,0 +1,10 @@
+import eos = require("then-eos");
+
+declare const readable: NodeJS.ReadableStream;
+declare const writable: NodeJS.WritableStream;
+
+// $ExpectType Promise<void>
+eos(readable);
+
+// $ExpectType Promise<void>
+eos(writable);
diff --git a/types/then-eos/tsconfig.json b/types/then-eos/tsconfig.json
new file mode 100644
index 0000000000..4f0567eb78
--- /dev/null
+++ b/types/then-eos/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "strictFunctionTypes": true
+    },
+    "files": [
+        "index.d.ts",
+        "then-eos-tests.ts"
+    ]
+}
diff --git a/types/then-eos/tslint.json b/types/then-eos/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/then-eos/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }