diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 04fffd16..2a51cae8 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -67,7 +67,8 @@ RUN sh -c "$(wget -O- https://github.com/deluan/zsh-in-docker/releases/download/
   -x
 
 # Install Claude
-RUN npm install -g @anthropic-ai/claude-code
+RUN npm install -g @anthropic-ai/claude-code@1.0.31
+
 
 # Copy and set up firewall script
 COPY init-firewall.sh /usr/local/bin/