diff --git a/CHANGELOG.md b/CHANGELOG.md
index d33a4645..e8bab6d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [1.1.9] - 2020-04-22
+
+### Changed
+- Update k8s.io/* v0.17.5 (#87).
+
 ## [1.1.8] - 2020-04-03
 
 ### Changed
@@ -118,7 +123,8 @@ This is the first release
 
 - Implement CNI plugin, coild, coilctl and coil-controller
 
-[Unreleased]: https://github.com/cybozu-go/coil/compare/v1.1.8...HEAD
+[Unreleased]: https://github.com/cybozu-go/coil/compare/v1.1.9...HEAD
+[1.1.9]: https://github.com/cybozu-go/coil/compare/v1.1.8...v1.1.9
 [1.1.8]: https://github.com/cybozu-go/coil/compare/v1.1.7...v1.1.8
 [1.1.7]: https://github.com/cybozu-go/coil/compare/v1.1.6...v1.1.7
 [1.1.6]: https://github.com/cybozu-go/coil/compare/v1.1.5...v1.1.6
diff --git a/version.go b/version.go
index 0436627a..d1b23f0a 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package coil
 
 // Version represents the version of coil
-const Version = "1.1.8"
+const Version = "1.1.9"