diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9eae85b..585c23c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project are documented in this file.
 
 ## [Unreleased]
 
+## [5.4.1] - 2026-10-13
+
 ### Fixed
 
 - Output-stage diagnostics now point at the offending declaration instead of `Location.None`:
diff --git a/Version.props b/Version.props
index 125ac88..bcb46a7 100644
--- a/Version.props
+++ b/Version.props
@@ -4,7 +4,7 @@
         <!-- Major.Minor.Patch — synced manually before each release; CI overrides at pack time
              via -p:Version=${tag}, so this only affects local `dotnet pack` output. Keep in sync
              with the latest tag to avoid producing stale-versioned packages locally. -->
-        <VersionPrefix>5.4.0</VersionPrefix>
+        <VersionPrefix>5.4.1</VersionPrefix>
 
         <!-- Pre-release suffix (e.g., -beta1, -ci.123) -->
         <VersionSuffix></VersionSuffix>