diff --git a/CHANGELOG.md b/CHANGELOG.md
index 877859a16..15003425f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,13 @@
-## 0.17.1 (unreleased)
+## 0.17.2 (unreleased)
 
 ### Improvements
 
+## 0.17.1 (Released March 6, 2019)
+
+### Improvements
+
+- Slight tweak to `Output.apply` signature to help TypeScript infer types better.
+
 ## 0.17.0 (Released March 5, 2019)
 
 This update includes several changes to core `@pulumi/pulumi` constructs that will not play nicely
diff --git a/sdk/nodejs/output.ts b/sdk/nodejs/output.ts
index 15cd7fa28..6dbeebba2 100644
--- a/sdk/nodejs/output.ts
+++ b/sdk/nodejs/output.ts
@@ -510,7 +510,9 @@ export interface OutputInstance<T> {
      * available for functions that end up executing in the cloud during runtime.  To get the value
      * of the Output during cloud runtime execution, use `get()`.
      */
-    apply<U>(func: (t: T) => Input<U>): Output<U>;
+    apply<U>(func: (t: T) => Promise<U>): Output<U>;
+    apply<U>(func: (t: T) => OutputInstance<U>): Output<U>;
+    apply<U>(func: (t: T) => U): Output<U>;
 
     /**
      * Retrieves the underlying value of this dependency.