diff --git a/.github/release-please-manifest.json b/.github/release-please-manifest.json
index 2537c1f..f1c1e58 100644
--- a/.github/release-please-manifest.json
+++ b/.github/release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.0"
+  ".": "0.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfc006c..dc509cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/Emerging-Patterns/shake/compare/v0.4.0...v0.5.0) (2026-10-02)
+
+
+### Features
+
+* env-var fallbacks and did-you-mean for unknown flags ([#57](https://github.com/Emerging-Patterns/shake/issues/57)) ([24d4c82](https://github.com/Emerging-Patterns/shake/commit/24d4c8298af9c8a4cfdd0f4994c62985a487399e))
+
 ## [0.4.0](https://github.com/Emerging-Patterns/shake/compare/v0.3.0...v0.4.0) (2026-09-30)
 
 
diff --git a/flake.nix b/flake.nix
index 1e97ce3..579fed0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,7 +26,7 @@
         inherit bend;
         src = self;
         pname = "demo";
-        version = "0.4.0"; # x-release-please-version
+        version = "0.5.0"; # x-release-please-version
         entry = "examples/demo/main.bend";
       };
     in {