diff --git a/.github/workflows/docker_build_push.yml b/.github/workflows/docker_build_push.yml
index 61703373..af7ab41a 100644
--- a/.github/workflows/docker_build_push.yml
+++ b/.github/workflows/docker_build_push.yml
@@ -86,6 +86,7 @@ jobs:
           platforms: linux/amd64,linux/arm64
           labels: ${{ steps.meta.outputs.labels }}
 
+      # 今Pushし放題なので注意
       - name: Nightly build and push s2n-quic
         uses: docker/build-push-action@v4
         with:
diff --git a/TODO.md b/TODO.md
index c552359a..f3d29a54 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,5 +1,7 @@
 # TODO List
 
+- [Try in v0.5.0] **Use `gchr.io`**
+- [Try in v0.5.0] **Cache option for the response with `Cache-Control: public` header directive ([#55](https://github.com/junkurihara/rust-rpxy/issues/55))**
 - Improvement of path matcher
 - More flexible option for rewriting path
 - Refactoring
@@ -10,14 +12,6 @@
     - upstream/upstream group: information on targeted destinations for each set of (a domain + a path)
     - load-balance: load balancing mod for a domain + path
 
-  - Done in v0.4.0:
-    ~~Split `rpxy` source codes into `rpxy-lib` and `rpxy-bin` to make the core part (reverse proxy) isolated from the misc part like toml file loader. This is in order to make the configuration-related part more flexible (related to [#33](https://github.com/junkurihara/rust-rpxy/issues/33))~~
-
-- Cache option for the response with `Cache-Control: public` header directive ([#55](https://github.com/junkurihara/rust-rpxy/issues/55))
-- Consideration on migrating from `quinn` and `h3-quinn` to other QUIC implementations ([#57](https://github.com/junkurihara/rust-rpxy/issues/57))
-- Done in v0.4.0:
-  ~~Benchmark with other reverse proxy implementations like Sozu ([#58](https://github.com/junkurihara/rust-rpxy/issues/58)) Currently, Sozu can work only on `amd64` format due to its HTTP message parser limitation... Since the main developer have only `arm64` (Apple M1) laptops, so we should do that on VPS?~~
-
 - Unit tests
 - Options to serve custom http_error page.
 - Prometheus metrics
@@ -30,4 +24,12 @@
 - Make the session-persistance option for load-balancing sophisticated. (mostly done in v0.3.0)
   - add option for sticky cookie name
   - add option for sticky cookie duration
+
+- Done in v0.5.0:
+  ~~Consideration on migrating from `quinn` and `h3-quinn` to other QUIC implementations ([#57](https://github.com/junkurihara/rust-rpxy/issues/57))~~
+- Done in v0.4.0:
+  ~~Benchmark with other reverse proxy implementations like Sozu ([#58](https://github.com/junkurihara/rust-rpxy/issues/58)) Currently, Sozu can work only on `amd64` format due to its HTTP message parser limitation... Since the main developer have only `arm64` (Apple M1) laptops, so we should do that on VPS?~~
+- Done in v0.4.0:
+  ~~Split `rpxy` source codes into `rpxy-lib` and `rpxy-bin` to make the core part (reverse proxy) isolated from the misc part like toml file loader. This is in order to make the configuration-related part more flexible (related to [#33](https://github.com/junkurihara/rust-rpxy/issues/33))~~
+
 - etc.
diff --git a/rpxy-bin/Cargo.toml b/rpxy-bin/Cargo.toml
index b8d14203..6b0b9f45 100644
--- a/rpxy-bin/Cargo.toml
+++ b/rpxy-bin/Cargo.toml
@@ -23,7 +23,7 @@ rpxy-lib = { path = "../rpxy-lib/", default-features = false, features = [
 
 anyhow = "1.0.72"
 rustc-hash = "1.1.0"
-serde = { version = "1.0.178", default-features = false, features = ["derive"] }
+serde = { version = "1.0.179", default-features = false, features = ["derive"] }
 derive_builder = "0.12.0"
 tokio = { version = "1.29.1", default-features = false, features = [
   "net",