diff --git a/Cargo.lock b/Cargo.lock
index 1f3a810..b1fa8ae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1122,9 +1122,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.8.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1"
+checksum = "fa7237101a77a10773db45d62004a272517633fbcc3df19d96455ede1122e051"
 dependencies = [
  "either",
  "rayon-core",
@@ -1132,9 +1132,9 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.12.0"
+version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed"
+checksum = "1465873a3dfdaa8ae7cb14b4383657caab0b3e8a0aa9ae8e04b044854c8dfce2"
 dependencies = [
  "crossbeam-deque",
  "crossbeam-utils",
@@ -1188,7 +1188,7 @@ dependencies = [
 
 [[package]]
 name = "rs-basic"
-version = "0.2.0"
+version = "0.2.1"
 
 [[package]]
 name = "rustc-demangle"
@@ -1249,6 +1249,7 @@ dependencies = [
 name = "serde-json-demo"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "chrono",
  "serde",
  "serde_json",
@@ -1465,6 +1466,15 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "tokryon"
+version = "0.0.0"
+dependencies = [
+ "futures",
+ "rayon",
+ "tokio",
+]
+
 [[package]]
 name = "typed-builder"
 version = "0.15.2"
diff --git a/Cargo.toml b/Cargo.toml
index dbb7e1c..1847b58 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ members = [
   "members/serde-json-demo",
   "members/slog-demo",
   "members/socker",
+  "members/tokryon",
 ]
 default-members = [
   ".",
@@ -20,11 +21,12 @@ default-members = [
   "members/cucumber-demo",
   "members/panic-calm",
   "members/socker",
+  "members/tokryon",
 ]
 
 [package]
 name = "rs-basic"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 authors = ["Christoph J. Scherr <softwar@cscherr.de>"]
 publish = false