diff --git a/.ci/deploy/localenv/docker-compose.yml b/.ci/deploy/localenv/docker-compose.yml
index d607f159..db659180 100644
--- a/.ci/deploy/localenv/docker-compose.yml
+++ b/.ci/deploy/localenv/docker-compose.yml
@@ -281,7 +281,7 @@ services:
       - opendut_local
 
   carl:
-    image: "ghcr.io/eclipse-opendut/opendut-carl:0.3.0"
+    image: "ghcr.io/eclipse-opendut/opendut-carl:0.3.1"
     command: ["/opt/opendut-carl/opendut-carl"]
     restart: unless-stopped
     depends_on:
diff --git a/Cargo.lock b/Cargo.lock
index a84f1197..d2feb27a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3621,7 +3621,7 @@ checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "opendut-auth"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "backon",
@@ -3652,7 +3652,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-auth-tests"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "googletest",
@@ -3673,7 +3673,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-carl"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "assert_fs",
@@ -3731,7 +3731,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-carl-api"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "cfg-if",
  "config 0.14.0",
@@ -3758,7 +3758,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-ci"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "assert_fs",
@@ -3782,7 +3782,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-cleo"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -3809,7 +3809,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-edgar"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "assert_fs",
@@ -3866,7 +3866,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-edgar-kernel-modules"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "nix 0.29.0",
  "thiserror 2.0.3",
@@ -3875,7 +3875,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-edgar-plugin-api"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "wasmtime",
  "wit-bindgen",
@@ -3883,7 +3883,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-integration-tests"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "backon",
@@ -3901,7 +3901,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-lea"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "chrono",
  "console_error_panic_hook",
@@ -3934,7 +3934,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-netbird-client-api"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "cargo_metadata",
  "opendut-types",
@@ -3954,7 +3954,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-theo"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "cargo_toml",
@@ -3973,7 +3973,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-types"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "base64 0.22.1",
  "brotli",
@@ -3993,7 +3993,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-util"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "config 0.14.0",
  "home",
@@ -4020,7 +4020,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-util-core"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "thiserror 2.0.3",
@@ -4028,7 +4028,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-vpn"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "async-trait",
  "opendut-types",
@@ -4037,7 +4037,7 @@ dependencies = [
 
 [[package]]
 name = "opendut-vpn-netbird"
-version = "0.4.0-dev"
+version = "0.3.1"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/Cargo.toml b/Cargo.toml
index bd5fe5aa..88a755eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.4.0-dev"
+version = "0.3.1"
 edition = "2021"
 rust-version = "1.78"
 license = "Apache-2.0"
diff --git a/doc/src/changelog.md b/doc/src/changelog.md
index ffffec4b..cad356ad 100644
--- a/doc/src/changelog.md
+++ b/doc/src/changelog.md
@@ -4,7 +4,7 @@ Notable changes to this project are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## 0.3.1
 
 ### Fixed
 * Restarting EDGAR while a cluster is deployed doesn't lead to an invalid state anymore.