diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7015c5b..5daa332c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [4.0.0]
+
 ### Added
 
 - Added syntax highlighting support for `sync` and `event` image control statements
@@ -599,7 +601,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Initial release
 
-[unreleased]: https://github.com/fortran-lang/vscode-fortran-support/compare/v3.0....HEAD
+[unreleased]: https://github.com/fortran-lang/vscode-fortran-support/compare/v4.0.0...HEAD
+[4.0.0]: https://github.com/fortran-lang/vscode-fortran-support/compare/v3.2.0...v4.0.0
 [3.2.0]: https://github.com/fortran-lang/vscode-fortran-support/compare/v3.1.0...v3.2.0
 [3.1.0]: https://github.com/fortran-lang/vscode-fortran-support/compare/v3.0.0...v3.1.0
 [3.0.0]: https://github.com/fortran-lang/vscode-fortran-support/compare/v2.6.2...v3.0.0
diff --git a/package-lock.json b/package-lock.json
index e70decf3..a63600b9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "linter-gfortran",
-  "version": "3.4.0",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "linter-gfortran",
-      "version": "3.4.0",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "glob": "^11.1.0",
diff --git a/package.json b/package.json
index 1944048b..e05cb66a 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "linter-gfortran",
   "displayName": "Modern Fortran",
   "description": "Fortran language support, syntax highlighting, Language Server support, Debugging, Diagnostics and much more.",
-  "version": "3.4.0",
+  "version": "4.0.0",
   "publisher": "fortran-lang",
   "license": "MIT",
   "author": {
diff --git a/src/extension.ts b/src/extension.ts
index e9d966f4..a44a89b5 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -186,6 +186,6 @@ function detectDeprecatedOptions() {
 
 async function showWhatsNew() {
   vscode.env.openExternal(
-    vscode.Uri.parse('https://github.com/fortran-lang/vscode-fortran-support/wiki/Pre-Release')
+    vscode.Uri.parse('https://github.com/fortran-lang/vscode-fortran-support/wiki/v4.0.0')
   );
 }