diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c66a6b..209b170 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0-alpha] - 2026-05-21
+
 ### Added
 
 - `PSResourceGet` dependency type providing first-class support for
diff --git a/PSDepend/PSDepend.psd1 b/PSDepend/PSDepend.psd1
index 293e470..97b1d53 100644
--- a/PSDepend/PSDepend.psd1
+++ b/PSDepend/PSDepend.psd1
@@ -4,7 +4,7 @@
     RootModule = 'PSDepend.psm1'
 
     # Version number of this module.
-    ModuleVersion = '0.3.0'
+    ModuleVersion = '0.4.0'
 
     # ID used to uniquely identify this module
     GUID = '63ea9e2a-320d-43ff-a11a-4930ca03cce6'
@@ -109,7 +109,7 @@
             ReleaseNotes = 'https://github.com/PowerShellOrg/PSDepend/blob/main/CHANGELOG.md'
 
             # Prerelease string (e.g. 'beta1', 'rc2'). Empty string = stable release.
-            Prerelease   = ''
+            Prerelease   = 'alpha'
 
         } # End of PSData hashtable