diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d08301..f57b710 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 5.5.5
+
+* Fixed tree-shaking mobx-utils, see [#238](https://github.com/mobxjs/mobx-utils/pull/238) by [IgorBabkin](https://github.com/IgorBabkin)
+
 # 5.5.4
 
 * Fix invalid `actionAsync` context when promises resolve at the same time in different actionAsync calls, by [xaviergonz](https://github.com/xaviergonz) through [#240](https://github.com/mobxjs/mobx-utils/pull/240)
diff --git a/README.md b/README.md
index 4dca54c..4d8fefa 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ This is useful to replace one promise based observable with another, without goi
 ```javascript
 @observer
 class SearchResults extends React.Component {
-  @observable.ref searchResults
+  @observable searchResults
 
   componentDidUpdate(nextProps) {
     if (nextProps.query !== this.props.query)
@@ -465,46 +465,46 @@ Returns **IDisposer** disposer function that can be used to cancel the when prem
 
 ## keepAlive
 
-MobX normally suspends any computed value that is not in use by any reaction,
-and lazily re-evaluates the expression if needed outside a reaction while not in use.
-`keepAlive` marks a computed value as always in use, meaning that it will always fresh, but never disposed automatically.
-
 ### Parameters
 
 -   `_1`  
 -   `_2`  
--   `target` **[Object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object)** an object that has a computed property, created by `@computed` or `extendObservable`
--   `property` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** the name of the property to keep alive
+-   `computedValue` **IComputedValue<any>** created using the `computed` function
 
 ### Examples
 
 ```javascript
-const obj = observable({
-  number: 3,
-  doubler: function() { return this.number * 2 }
-})
-const stop = keepAlive(obj, "doubler")
+const number = observable(3)
+const doubler = computed(() => number.get() * 2)
+const stop = keepAlive(doubler)
+// doubler will now stay in sync reactively even when there are no further observers
+stop()
+// normal behavior, doubler results will be recomputed if not observed but needed, but lazily
 ```
 
 Returns **IDisposer** stops this keep alive so that the computed value goes back to normal behavior
 
 ## keepAlive
 
+MobX normally suspends any computed value that is not in use by any reaction,
+and lazily re-evaluates the expression if needed outside a reaction while not in use.
+`keepAlive` marks a computed value as always in use, meaning that it will always fresh, but never disposed automatically.
+
 ### Parameters
 
 -   `_1`  
 -   `_2`  
--   `computedValue` **IComputedValue<any>** created using the `computed` function
+-   `target` **[Object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object)** an object that has a computed property, created by `@computed` or `extendObservable`
+-   `property` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** the name of the property to keep alive
 
 ### Examples
 
 ```javascript
-const number = observable(3)
-const doubler = computed(() => number.get() * 2)
-const stop = keepAlive(doubler)
-// doubler will now stay in sync reactively even when there are no further observers
-stop()
-// normal behavior, doubler results will be recomputed if not observed but needed, but lazily
+const obj = observable({
+  number: 3,
+  doubler: function() { return this.number * 2 }
+})
+const stop = keepAlive(obj, "doubler")
 ```
 
 Returns **IDisposer** stops this keep alive so that the computed value goes back to normal behavior
diff --git a/package.json b/package.json
index b13bdf6..93c64b5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mobx-utils",
-  "version": "5.5.4",
+  "version": "5.5.5",
   "description": "Utility functions and common patterns for MobX",
   "main": "mobx-utils.umd.js",
   "module": "lib/mobx-utils.js",
@@ -96,4 +96,4 @@
       "pre-commit": "lint-staged"
     }
   }
-}
+}
\ No newline at end of file