diff --git a/Cargo.lock b/Cargo.lock
index 03aebff3..b799d0db 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -250,7 +250,7 @@ checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "benchmark-example-node"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "eyre",
@@ -263,7 +263,7 @@ dependencies = [
 
 [[package]]
 name = "benchmark-example-sink"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "eyre",
@@ -513,7 +513,7 @@ dependencies = [
 
 [[package]]
 name = "communication-layer-pub-sub"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "flume",
  "zenoh",
@@ -521,7 +521,7 @@ dependencies = [
 
 [[package]]
 name = "communication-layer-request-reply"
-version = "0.2.0"
+version = "0.2.1"
 
 [[package]]
 name = "concurrent-queue"
@@ -806,7 +806,7 @@ dependencies = [
 
 [[package]]
 name = "dora-cli"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "atty",
  "clap 4.0.3",
@@ -826,7 +826,7 @@ dependencies = [
 
 [[package]]
 name = "dora-coordinator"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "ctrlc",
  "dora-core",
@@ -849,7 +849,7 @@ dependencies = [
 
 [[package]]
 name = "dora-core"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-message",
  "eyre",
@@ -864,7 +864,7 @@ dependencies = [
 
 [[package]]
 name = "dora-daemon"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "async-trait",
  "bincode",
@@ -889,7 +889,7 @@ dependencies = [
 
 [[package]]
 name = "dora-download"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "eyre",
  "reqwest",
@@ -914,7 +914,7 @@ dependencies = [
 
 [[package]]
 name = "dora-message"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "capnp",
  "capnpc",
@@ -924,7 +924,7 @@ dependencies = [
 
 [[package]]
 name = "dora-metrics"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "futures",
  "opentelemetry",
@@ -935,7 +935,7 @@ dependencies = [
 
 [[package]]
 name = "dora-node-api"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "bincode",
  "capnp",
@@ -957,7 +957,7 @@ dependencies = [
 
 [[package]]
 name = "dora-node-api-c"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "eyre",
@@ -967,7 +967,7 @@ dependencies = [
 
 [[package]]
 name = "dora-node-api-cxx"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "cxx",
  "cxx-build",
@@ -977,7 +977,7 @@ dependencies = [
 
 [[package]]
 name = "dora-node-api-python"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "dora-operator-api-python",
@@ -990,7 +990,7 @@ dependencies = [
 
 [[package]]
 name = "dora-operator-api"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-operator-api-macros",
  "dora-operator-api-types",
@@ -998,14 +998,14 @@ dependencies = [
 
 [[package]]
 name = "dora-operator-api-c"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-operator-api-types",
 ]
 
 [[package]]
 name = "dora-operator-api-cxx"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "cxx",
  "cxx-build",
@@ -1014,7 +1014,7 @@ dependencies = [
 
 [[package]]
 name = "dora-operator-api-macros"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1023,7 +1023,7 @@ dependencies = [
 
 [[package]]
 name = "dora-operator-api-python"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "eyre",
@@ -1034,14 +1034,14 @@ dependencies = [
 
 [[package]]
 name = "dora-operator-api-types"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "safer-ffi",
 ]
 
 [[package]]
 name = "dora-runtime"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-core",
  "dora-download",
@@ -1067,7 +1067,7 @@ dependencies = [
 
 [[package]]
 name = "dora-tracing"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "eyre",
  "opentelemetry",
@@ -2948,7 +2948,7 @@ dependencies = [
 
 [[package]]
 name = "rust-dataflow-example-node"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "eyre",
@@ -2959,14 +2959,14 @@ dependencies = [
 
 [[package]]
 name = "rust-dataflow-example-operator"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-operator-api",
 ]
 
 [[package]]
 name = "rust-dataflow-example-sink"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "dora-node-api",
  "eyre",
@@ -3251,7 +3251,7 @@ dependencies = [
 
 [[package]]
 name = "shared-memory-server"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "bincode",
  "eyre",
@@ -4641,7 +4641,7 @@ dependencies = [
 
 [[package]]
 name = "zenoh-logger"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "zenoh",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 7ae77b1d..85317893 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,28 +23,28 @@ members = [
 ]
 
 [workspace.package]
-version = "0.2.0"
+version = "0.2.1"
 description = "`dora` goal is to be a low latency, composable, and distributed data flow."
 documentation = "https://dora.carsmos.ai/dora/"
 license = "Apache-2.0"
 
 [workspace.dependencies]
-dora-node-api = { version = "0.2.0", path = "apis/rust/node", default-features = false }
-dora-operator-api = { version = "0.2.0", path = "apis/rust/operator", default-features = false }
-dora-operator-api-macros = { version = "0.2.0", path = "apis/rust/operator/macros" }
-dora-operator-api-types = { version = "0.2.0", path = "apis/rust/operator/types" }
-dora-operator-api-python = { version = "0.2.0", path = "apis/python/operator" }
-dora-operator-api-c = { version = "0.2.0", path = "apis/c/operator" }
-dora-node-api-c = { version = "0.2.0", path = "apis/c/node" }
-dora-core = { version = "0.2.0", path = "libraries/core" }
-dora-tracing = { version = "0.2.0", path = "libraries/extensions/telemetry/tracing" }
-dora-metrics = { version = "0.2.0", path = "libraries/extensions/telemetry/metrics" }
-dora-download = { version = "0.2.0", path = "libraries/extensions/download" }
-shared-memory-server = { version = "0.2.0", path = "libraries/shared-memory-server" }
-communication-layer-request-reply = { version = "0.2.0", path = "libraries/communication-layer/request-reply" }
-dora-message = { version = "0.2.0", path = "libraries/message" }
-dora-runtime = { version = "0.2.0", path = "binaries/runtime" }
-dora-daemon = { version = "0.2.0", path = "binaries/daemon" }
+dora-node-api = { version = "0.2.1", path = "apis/rust/node", default-features = false }
+dora-operator-api = { version = "0.2.1", path = "apis/rust/operator", default-features = false }
+dora-operator-api-macros = { version = "0.2.1", path = "apis/rust/operator/macros" }
+dora-operator-api-types = { version = "0.2.1", path = "apis/rust/operator/types" }
+dora-operator-api-python = { version = "0.2.1", path = "apis/python/operator" }
+dora-operator-api-c = { version = "0.2.1", path = "apis/c/operator" }
+dora-node-api-c = { version = "0.2.1", path = "apis/c/node" }
+dora-core = { version = "0.2.1", path = "libraries/core" }
+dora-tracing = { version = "0.2.1", path = "libraries/extensions/telemetry/tracing" }
+dora-metrics = { version = "0.2.1", path = "libraries/extensions/telemetry/metrics" }
+dora-download = { version = "0.2.1", path = "libraries/extensions/download" }
+shared-memory-server = { version = "0.2.1", path = "libraries/shared-memory-server" }
+communication-layer-request-reply = { version = "0.2.1", path = "libraries/communication-layer/request-reply" }
+dora-message = { version = "0.2.1", path = "libraries/message" }
+dora-runtime = { version = "0.2.1", path = "binaries/runtime" }
+dora-daemon = { version = "0.2.1", path = "binaries/daemon" }
 
 [package]
 name = "dora-examples"
diff --git a/Changelog.md b/Changelog.md
index 471548fa..7cf78e8e 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,32 @@
 # Changelog
 
-## v0.2.0 (2023-01-18)
+## v0.2.1 (2023-03-22)
+
+### Features
+
+* [Make dora-rs publishable on crates.io](https://github.com/dora-rs/dora/pull/211)
+
+### Fixes
+
+* [Avoid blocking the daemon main loop by using unbounded queue](https://github.com/dora-rs/dora/pull/230)
+* [Inject YAML declared env variable into the runtime](https://github.com/dora-rs/dora/pull/227)
+* [Use rustls instead of system SSL implementation](https://github.com/dora-rs/dora/pull/216)
+
+### Other
+
+* [Refactor python error](https://github.com/dora-rs/dora/pull/229)
+* [The first letter of rust should be lowercase in the command](https://github.com/dora-rs/dora/pull/226)
+* [Add documentation to the cli within the helper mode](https://github.com/dora-rs/dora/pull/225)
+* [Update to safer-ffi v0.1.0-rc1](https://github.com/dora-rs/dora/pull/218)
+* [remove unused variable: data_bytes](https://github.com/dora-rs/dora/pull/215)
+* [Clean up: Remove workspace path](https://github.com/dora-rs/dora/pull/210)
+* [Decouple opentelemetry from tracing](https://github.com/dora-rs/dora/pull/222)
+* [Remove zenoh dependency from dora node API to speed up build](https://github.com/dora-rs/dora/pull/220)
+* [Update to Rust v1.68](https://github.com/dora-rs/dora/pull/221)
+* [Deny unknown fields to avoid typos](https://github.com/dora-rs/dora/pull/223)
+* [Add an internal cli argument to create template with path dependencies](https://github.com/dora-rs/dora/pull/212)
+
+## v0.2.0 (2023-03-14)
 
 ### Breaking