diff --git a/readme.md b/readme.md
index 2b31448..bf16c28 100644
--- a/readme.md
+++ b/readme.md
@@ -4,6 +4,8 @@ a textual notation to locate fields within atproto records
 
 see [spec.md](./spec.md)
 
+try it out in [the playground](https://microcosm.tngl.io/RecordPath/)
+
 
 ---
 
diff --git a/ref-impl-rust/Cargo.lock b/ref-impl-rust/Cargo.lock
index 0abd081..decffcd 100644
--- a/ref-impl-rust/Cargo.lock
+++ b/ref-impl-rust/Cargo.lock
@@ -34,7 +34,7 @@ dependencies = [
 
 [[package]]
 name = "recordpath"
-version = "0.0.1"
+version = "0.0.2"
 dependencies = [
  "serde",
  "serde_json",