diff --git a/claude-dev/Dockerfile b/claude-dev/Dockerfile
index d5e3d2b..936795f 100644
--- a/claude-dev/Dockerfile
+++ b/claude-dev/Dockerfile
@@ -28,6 +28,13 @@ ARG YQ_VERSION=v4.44.6
 RUN wget -q -O /usr/local/bin/yq "https://github.com/mikefarah/yq/releases/download/${YQ_VERSION}/yq_linux_amd64" \
     && chmod +x /usr/local/bin/yq
 
+ARG TEA_VERSION=0.12.0
+RUN wget -q -O /tmp/tea.tar.gz "https://dl.gitea.com/tea/${TEA_VERSION}/tea-${TEA_VERSION}-linux-amd64.tar.gz" \
+    && tar -xzf /tmp/tea.tar.gz -C /tmp \
+    && mv /tmp/tea-${TEA_VERSION}-linux-amd64/tea /usr/local/bin/tea \
+    && chmod +x /usr/local/bin/tea \
+    && rm -rf /tmp/tea.tar.gz /tmp/tea-${TEA_VERSION}-linux-amd64
+
 RUN npm install -g @anthropic-ai/claude-code
 
 RUN python3 - <<'PY'
diff --git a/claude-dev/required-tools.txt b/claude-dev/required-tools.txt
index 99731b6..84d3f82 100644
--- a/claude-dev/required-tools.txt
+++ b/claude-dev/required-tools.txt
@@ -14,4 +14,5 @@ zip
 unzip
 make
 tmux
+tea
 claude