diff --git a/CHANGELOG.md b/CHANGELOG.md
index 670d93d969..09cf07cb4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,20 @@
+<a name="5.2.3"></a>
+## [5.2.3](https://github.com/angular/angular/compare/5.2.2...5.2.3) (2018-01-31)
+
+
+### Bug Fixes
+
+* **common:** allow HttpInterceptors to inject HttpClient ([#19809](https://github.com/angular/angular/issues/19809)) ([ed2b717](https://github.com/angular/angular/commit/ed2b717)), closes [#18224](https://github.com/angular/angular/issues/18224)
+* **common:** generate closure-locale data file with exported plural functions ([#21873](https://github.com/angular/angular/issues/21873)) ([c2f5ed5](https://github.com/angular/angular/commit/c2f5ed5)), closes [#21870](https://github.com/angular/angular/issues/21870)
+* **core:** fix retrieving the binding name when an expression changes ([#21814](https://github.com/angular/angular/issues/21814)) ([81d64d6](https://github.com/angular/angular/commit/81d64d6)), closes [#21735](https://github.com/angular/angular/issues/21735) [#21788](https://github.com/angular/angular/issues/21788)
+* **forms:** allow FormBuilder to create controls with any formState type ([#20917](https://github.com/angular/angular/issues/20917)) ([56f3e18](https://github.com/angular/angular/commit/56f3e18)), closes [#20368](https://github.com/angular/angular/issues/20368)
+* **forms:** inserting and removing controls should work in re-bound form arrays ([#21822](https://github.com/angular/angular/issues/21822)) ([fad99cc](https://github.com/angular/angular/commit/fad99cc)), closes [#21501](https://github.com/angular/angular/issues/21501)
+* **language-service:** ensure correct paths are passed to TypeScript ([#21812](https://github.com/angular/angular/issues/21812)) ([250c8da](https://github.com/angular/angular/commit/250c8da))
+* **language-service:** spell diagnostics correctly ([#21812](https://github.com/angular/angular/issues/21812)) ([778e6e7](https://github.com/angular/angular/commit/778e6e7))
+* **router:** remove [@internal](https://github.com/internal) tag on ParamInheritanceType ([#21773](https://github.com/angular/angular/issues/21773)) ([35a0721](https://github.com/angular/angular/commit/35a0721)), closes [#21456](https://github.com/angular/angular/issues/21456)
+
+
+
 <a name="5.2.2"></a>
 ## [5.2.2](https://github.com/angular/angular/compare/5.2.1...5.2.2) (2018-01-25)