diff --git a/CHANGELOG.md b/CHANGELOG.md
index 898ec0cf68..c0e0185516 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+<a name="5.5.8"></a>
+## [5.5.8](https://github.com/ReactiveX/RxJS/compare/5.5.7...5.5.8) (2018-03-27)
+
+
+### Bug Fixes
+
+* **node:** no more silent failure for many copies of rxjs ([#3477](https://github.com/ReactiveX/RxJS/issues/3477)) ([92dcd44](https://github.com/ReactiveX/RxJS/commit/92dcd44)), closes [#3475](https://github.com/ReactiveX/RxJS/issues/3475)
+* **repeatWhen:** support synchronous notifier ([8fe004c](https://github.com/ReactiveX/RxJS/commit/8fe004c))
+
+
+
 <a name="5.5.7"></a>
 ## [5.5.7](https://github.com/ReactiveX/RxJS/compare/5.5.6...5.5.7) (2018-03-13)
 
diff --git a/package.json b/package.json
index fc17dea677..cf5ba8c65d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@reactivex/rxjs",
-  "version": "5.5.7",
+  "version": "5.5.8",
   "description": "Reactive Extensions for modern JavaScript",
   "main": "index.js",
   "config": {