diff --git a/linux/tools.Dockerfile b/linux/tools.Dockerfile
index 5d0c123f..567bfa50 100644
--- a/linux/tools.Dockerfile
+++ b/linux/tools.Dockerfile
@@ -34,6 +34,9 @@ RUN az aks install-cli \
     && chmod +x /usr/local/bin/kubectl \
     && chmod +x /usr/local/bin/kubelogin
 
+# Install GitHub Copilot CLI.
+RUN curl -fsSL https://gh.io/copilot-install | bash
+
 # Install azure-functions-core-tools
 RUN wget -nv -O Azure.Functions.Cli.zip `curl -fSsL https://api.github.com/repos/Azure/azure-functions-core-tools/releases/latest | grep "url.*linux-x64" | grep -v "sha2" | cut -d '"' -f4` \
     && unzip -d azure-functions-cli Azure.Functions.Cli.zip \