diff --git a/docker-images/Dockerfile.agent b/docker-images/Dockerfile.agent
index 232a78c..03c7f22 100644
--- a/docker-images/Dockerfile.agent
+++ b/docker-images/Dockerfile.agent
@@ -41,6 +41,7 @@ ENV CARGO_HOME=/root/.cargo
 ENV PATH="$CARGO_HOME/bin:$PATH"
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile default
 
+RUN cargo install tinygo
 # install https://agent-browser.dev
 RUN cargo install agent-browser && \
     agent-browser install  # Download Chrome (first time)