diff --git a/readme.md b/readme.md
index 537de7c..71e8c11 100644
--- a/readme.md
+++ b/readme.md
@@ -28,3 +28,9 @@ const protobuf_c_dep = b.dependency("protobuf_c", .{
 });
 your_exe.linkLibrary(protobuf_c_dep.artifact("protobuf_c"));
 ```
+
+## Version Support Matrix
+
+|  Refname | protobuf-c Version | Zig `0.12.x` | Zig `0.13.x` | Zig `0.14.0-dev` |
+|----------|--------------------|--------------|--------------|------------------|
+| `1.5.0`  | `1.5.0`            | ✅           | ✅          | ✅              |