diff --git a/CHANGELOG.md b/CHANGELOG.md
index b28e9151..3238b8ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Polaris SLO Cloud Changelog
 
-## v0.4.0 (not yet released)
+## v0.4.0 (2022-04-26)
 
 ### Features
 
diff --git a/ts/apps/polaris-cli/package.json b/ts/apps/polaris-cli/package.json
index d1f1a0f7..64024b5c 100644
--- a/ts/apps/polaris-cli/package.json
+++ b/ts/apps/polaris-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polaris-sloc/cli",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
diff --git a/ts/libs/common-mappings/package.json b/ts/libs/common-mappings/package.json
index ca84890b..7c2d7884 100644
--- a/ts/libs/common-mappings/package.json
+++ b/ts/libs/common-mappings/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@polaris-sloc/common-mappings",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
   "type": "commonjs",
   "peerDependencies": {
-    "@polaris-sloc/core": "~0.3.0"
+    "@polaris-sloc/core": "~0.4.0"
   }
 }
diff --git a/ts/libs/core/package.json b/ts/libs/core/package.json
index 8b91f980..70d428e3 100644
--- a/ts/libs/core/package.json
+++ b/ts/libs/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polaris-sloc/core",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
diff --git a/ts/libs/cost-efficiency/package.json b/ts/libs/cost-efficiency/package.json
index 76176a7c..b85c015d 100644
--- a/ts/libs/cost-efficiency/package.json
+++ b/ts/libs/cost-efficiency/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@polaris-sloc/cost-efficiency",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
   "type": "commonjs",
   "peerDependencies": {
-    "@polaris-sloc/core": "~0.3.0"
+    "@polaris-sloc/core": "~0.4.0"
   }
 }
diff --git a/ts/libs/kubernetes/package.json b/ts/libs/kubernetes/package.json
index eb61a6a1..da0aa76b 100644
--- a/ts/libs/kubernetes/package.json
+++ b/ts/libs/kubernetes/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polaris-sloc/kubernetes",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
@@ -9,7 +9,7 @@
     "@kubernetes/client-node": "^0.16.3"
   },
   "peerDependencies": {
-    "@polaris-sloc/core": "~0.3.0"
+    "@polaris-sloc/core": "~0.4.0"
   },
   "optionalDependencies": {
     "bufferutil": "^4.0.6",
diff --git a/ts/libs/polaris-nx/package.json b/ts/libs/polaris-nx/package.json
index 294add3e..803e7819 100644
--- a/ts/libs/polaris-nx/package.json
+++ b/ts/libs/polaris-nx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polaris-sloc/polaris-nx",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
@@ -13,9 +13,9 @@
     "@nrwl/js": "*",
     "@nrwl/node": "*",
     "@nrwl/workspace": "*",
-    "@polaris-sloc/core": "~0.3.0",
-    "@polaris-sloc/schema-gen": "~0.3.0",
-    "@polaris-sloc/kubernetes": "~0.3.0",
+    "@polaris-sloc/core": "~0.4.0",
+    "@polaris-sloc/schema-gen": "~0.4.0",
+    "@polaris-sloc/kubernetes": "~0.4.0",
     "grafana-dash-gen": "^3.2.1",
     "axios": "0.26.1",
     "nx": "*",
diff --git a/ts/libs/polaris-nx/src/util/packages.ts b/ts/libs/polaris-nx/src/util/packages.ts
index 5c44f0fd..755b1e44 100644
--- a/ts/libs/polaris-nx/src/util/packages.ts
+++ b/ts/libs/polaris-nx/src/util/packages.ts
@@ -7,7 +7,7 @@ export const POLARIS_NPM_ORG = '@polaris-sloc';
  * Defines the versions of packages added by the generators.
  */
 export const VERSIONS = {
-    polaris: '0.3.0',
+    polaris: '0.4.0',
     rxJs: '^6.6.7',
     tsNode: '^10.7.0',
     tsNodeConfigPaths: '^3.14.1',
diff --git a/ts/libs/prometheus/package.json b/ts/libs/prometheus/package.json
index 478bbe99..812431b9 100644
--- a/ts/libs/prometheus/package.json
+++ b/ts/libs/prometheus/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polaris-sloc/prometheus",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
@@ -12,6 +12,6 @@
     "safe-flat": "^2.0.2"
   },
   "peerDependencies": {
-    "@polaris-sloc/core": "~0.3.0"
+    "@polaris-sloc/core": "~0.4.0"
   }
 }
diff --git a/ts/libs/schema-gen/package.json b/ts/libs/schema-gen/package.json
index 25f009b8..9e215ea8 100644
--- a/ts/libs/schema-gen/package.json
+++ b/ts/libs/schema-gen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polaris-sloc/schema-gen",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "author": "Polaris SLO Cloud Authors",
   "private": false,
@@ -13,7 +13,7 @@
     "ts-json-schema-generator": "^1.0.0"
   },
   "peerDependencies": {
-    "@polaris-sloc/core": "~0.3.0",
+    "@polaris-sloc/core": "~0.4.0",
     "rxjs": "^6.6.7"
   }
 }
diff --git a/ts/package-lock.json b/ts/package-lock.json
index f74487f4..d83e749a 100644
--- a/ts/package-lock.json
+++ b/ts/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "polaris-sloc",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/ts/package.json b/ts/package.json
index cfeaa0fa..f3b1c390 100644
--- a/ts/package.json
+++ b/ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "polaris-sloc",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "license": "Apache-2.0",
   "scripts": {
     "ng": "nx",