diff --git a/.env.example b/.env.example
index 13333e2..3c19d06 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,6 @@
 DISCORD_API_TOKEN=
+REDMINE_URL=http://localhost:8080
+REDMINE_API_KEY=
 TARGET_CHANNEL_ID=
 TARGET_GUILD_ID=
 TARGET_WEBHOOK_ID=
diff --git a/Cargo.lock b/Cargo.lock
index 3bcf9a9..3bb3b01 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -659,7 +659,7 @@ dependencies = [
 
 [[package]]
 name = "idea-reaction"
-version = "0.2.3"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "dotenvy",
diff --git a/Cargo.toml b/Cargo.toml
index 5773ce9..2d91355 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "idea-reaction"
-version = "0.2.3"
+version = "0.3.0"
 edition = "2021"
 description = "アイデア投稿履歴のリアクションを制限する Discord Bot"
 authors = ["m1sk9 <me@m1sk9.dev>"]
diff --git a/Dockerfile b/Dockerfile
index b927c93..d1474c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,8 @@ FROM rust:1.80.1-bullseye as Builder
 WORKDIR /root/app
 COPY --chown=root:root . .
 
-RUN cargo build --release --bin idea-reaction
+# https://github.com/GiganticMinecraft/idea-reaction/issues/107
+RUN cargo build --release --bin idea-reaction --features experiments_thinking_emoji
 
 FROM debian:bullseye-slim as Runner