diff --git a/cli/Dockerfile b/cli/Dockerfile
index 0110120fd38ae7ae28460ce9ae4ae31db54c787a..a99502c71485668dab0d8721663c852113f0d8ab 100644
--- a/cli/Dockerfile
+++ b/cli/Dockerfile
@@ -147,6 +147,7 @@ COPY --from=kubectl-krew /opt/krew/krew /usr/local/bin/kubectl-krew
 RUN true \
     && echo "command -v kubectl-krew >/dev/null && export PATH=\"${KREW_ROOT:-$HOME/.krew}/bin:$PATH\"" >> /root/.bashrc \
     && echo "command -v flux >/dev/null && . <(flux completion bash)" >> /root/.bashrc \
+    && echo "command -v kustomize >/dev/null && . <(kustomize completion bash)" >> /root/.bashrc \
     && echo "command -v kubectl >/dev/null && . <(kubectl completion bash)" >> /root/.bashrc \
     && echo "command -v helm >/dev/null && . <(helm completion bash)" >> /root/.bashrc \
     && true