We show how the benefits of new technology adoption diffuse along a supply chain, improving the performance of firms that do not adopt new technology themselves, and also increasing their likelihood of adopting. We measure new technology adoption in terms of robotization, and firm performance in terms of TFP, wages, employment and adoption probability, with firm level VAT data matched with custom and employer-employee data from Turkey. We find sizable positive causal impacts of upstream robotization on downstream productivity, even beyond direct input-output linkages. We do not find similar impact for upstream capital deepening and for firms without direct, or indirect, input-output linkages with robot adopters in the supply chain. Spillovers are instead negative if the connected firms share the same customer base, due to rivalry. We finally investigate the heterogeneity of the impacts with respect to robots‘ quality, as proxied by their origin country and import price. Higher quality robotization upstream has larger positive impact downstream. Taken together, these results suggest that new technology adoption via robotization improves the quality of inputs along the supply chain with productivity enhancing effects, that build up from the firm to the aggregate level.