diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4208e350b..51226a2c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History
 
+### v0.4.0 / 2019-08-13
+- Add dummy LRO service
+- Dependency updates
+
 ### v0.3.0 / 2019-08-09
 - Remove nodejs server implementation
 - Update dependencies
diff --git a/README.md b/README.md
index deb6ad2c7..0f1443c35 100644
--- a/README.md
+++ b/README.md
@@ -20,12 +20,12 @@ page, or simply by installing from source using go.
 
 ### Docker
 ```sh
-$ docker pull gcr.io/gapic-images/gapic-showcase:0.3.0
+$ docker pull gcr.io/gapic-images/gapic-showcase:0.4.0
 $ docker run \
     --rm \
     -p 7469:7469/tcp \
     -p 7469:7469/udp \
-    gcr.io/gapic-images/gapic-showcase:0.3.0 \
+    gcr.io/gapic-images/gapic-showcase:0.4.0 \
     --help
 > Root command of gapic-showcase
 >
@@ -52,7 +52,7 @@ $ docker run \
 
 ### Binary
 ```sh
-$ export GAPIC_SHOWCASE_VERSION=0.3.0
+$ export GAPIC_SHOWCASE_VERSION=0.4.0
 $ export OS=linux
 $ export ARCH=amd64
 $ curl -L https://github.com/googleapis/gapic-showcase/releases/download/v${GAPIC_SHOWCASE_VERSION}/gapic-showcase-${GAPIC_SHOWCASE_VERSION}-${OS}-${ARCH} | sudo tar -zx -- --directory /usr/local/bin/
diff --git a/cmd/gapic-showcase/version.go b/cmd/gapic-showcase/version.go
index 4f8b9f7b6..442bef28a 100644
--- a/cmd/gapic-showcase/version.go
+++ b/cmd/gapic-showcase/version.go
@@ -18,7 +18,7 @@ func init() {
 	// Make roots version option only emit the version. This is used in circleci.
 	// The template looks weird on purpose. Leaving as a single line causes the
 	// output to append an extra character.
-	rootCmd.Version = "0.3.0"
+	rootCmd.Version = "0.4.0"
 	rootCmd.SetVersionTemplate(
 		`{{printf "%s" .Version}}`)
 }
diff --git a/util/cmd/bump_version/main.go b/util/cmd/bump_version/main.go
index 645231b58..6b97f0650 100644
--- a/util/cmd/bump_version/main.go
+++ b/util/cmd/bump_version/main.go
@@ -30,7 +30,7 @@ import (
 )
 
 const currentAPIVersion = "v1beta1"
-const currentReleaseVersion = "0.3.0"
+const currentReleaseVersion = "0.4.0"
 
 // This script updates the release version or API version of files in gapic-showcase.
 // This script is used on API and release version bumps. This script must be ran in