diff --git a/.github/.release-please-manifest.json b/.github/.release-please-manifest.json
index 18cac80..2537c1f 100644
--- a/.github/.release-please-manifest.json
+++ b/.github/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.4"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index daa6335..591237c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## [0.4.0](https://github.com/askpt/code-metrics/compare/v0.3.4...v0.4.0) (2026-05-13)
+
+
+### ✨ New Features
+
+* add cognitive complexity analysis for Java ([#296](https://github.com/askpt/code-metrics/issues/296)) ([6f9e355](https://github.com/askpt/code-metrics/commit/6f9e35529e152984555bc614d876f5bdf573fdb4))
+* add cognitive complexity analysis for Python ([#297](https://github.com/askpt/code-metrics/issues/297)) ([3964283](https://github.com/askpt/code-metrics/commit/3964283745f8e1bbc38cebbdc4baa77f3fcee97c))
+
+
+### 🔄 Refactoring
+
+* pass resolved config into createCodeLens to avoid redundant getConfiguration calls ([#285](https://github.com/askpt/code-metrics/issues/285)) ([cbdbe51](https://github.com/askpt/code-metrics/commit/cbdbe51e404e719f8fbcfe29a64578cbc452294a))
+
 ## [0.3.4](https://github.com/askpt/code-metrics/compare/v0.3.3...v0.3.4) (2026-05-01)
 
 
diff --git a/package-lock.json b/package-lock.json
index bf6958e..f6f6a99 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "code-metrics",
-  "version": "0.3.4",
+  "version": "0.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "code-metrics",
-      "version": "0.3.4",
+      "version": "0.4.0",
       "dependencies": {
         "tree-sitter": "0.21.1",
         "tree-sitter-c-sharp": "0.23.1",
diff --git a/package.json b/package.json
index 79b66a9..3032b42 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "code-metrics",
   "displayName": "Code Complexity Metrics",
   "description": "A comprehensive Visual Studio Code extension that calculates and displays code metrics including Cognitive Complexity based on SonarSource's specification.",
-  "version": "0.3.4",
+  "version": "0.4.0",
   "publisher": "dev-asilva",
   "preview": true,
   "repository": {