diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 816df2d..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.1"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e132c6a..02f83ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/carbynestack/cli/compare/cli-v0.3.1...cli-v0.4.0) (2023-08-01)
+
+
+### Features
+
+* upgrade amphora to enable secure tuple provisioning ([#36](https://github.com/carbynestack/cli/issues/36)) ([ef3c90f](https://github.com/carbynestack/cli/commit/ef3c90f4d96c4e78081ab3236b3c95516dbdb7ec))
+
 ## [0.3.1](https://github.com/carbynestack/cli/compare/cli-v0.3.0...cli-v0.3.1) (2023-07-28)
 
 
diff --git a/pom.xml b/pom.xml
index f556cab..1db1f23 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cli</artifactId>
     <groupId>io.carbynestack</groupId>
-    <version>0.3.1</version>
+    <version>0.4.0</version>
     <name>Carbyne Stack Command Line Interface</name>
     <description>Carbyne Stack Command Line Interface for interacting with backend services.</description>
     <licenses>