diff --git a/gyro.zzz b/gyro.zzz
index c6586d2..394161c 100644
--- a/gyro.zzz
+++ b/gyro.zzz
@@ -1,6 +1,6 @@
 pkgs:
   mecha:
-    version: 0.4.0
+    version: 0.5.0
     license: MIT
     description: A parser combinator library for Zig
     source_url: "https://github.com/Hejsil/mecha"