diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f35d18..c2f9227 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## v0.5.0 (2026-04-27)
 
 ### Toolchain
 - Migrate from Zig 0.15.2 to Zig 0.16.0 (D111). All `std.Io` reshapes
diff --git a/build.zig.zon b/build.zig.zon
index d78f675..84d774d 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,6 +1,6 @@
 .{
     .name = .clojure_wasm,
-    .version = "0.3.0",
+    .version = "0.5.0",
     .dependencies = .{
         .zwasm = .{
             .url = "https://github.com/clojurewasm/zwasm/archive/v1.11.0.tar.gz",