diff --git a/machine-learning/Dockerfile b/machine-learning/Dockerfile
index 81ca262a12..0102bea836 100644
--- a/machine-learning/Dockerfile
+++ b/machine-learning/Dockerfile
@@ -84,7 +84,7 @@ COPY --from=builder-armnn \
 
 FROM prod-cpu AS prod-rknn
 
-ADD https://github.com/airockchip/rknn-toolkit2/raw/refs/tags/v2.3.0/rknpu2/runtime/Linux/librknn_api/aarch64/librknnrt.so /usr/lib/
+ADD --checksum=sha512:d846959d69b60b4d2aabe21ab47e5cb30e85e33d0b1dd5e6acf80f049c377cb9b7c386741474777432fc5e6626565156cc1d0193294eacb3dfe56025f8694ac6 https://github.com/airockchip/rknn-toolkit2/raw/refs/tags/v2.3.0/rknpu2/runtime/Linux/librknn_api/aarch64/librknnrt.so /usr/lib/
 
 FROM prod-${DEVICE} AS prod
 ARG DEVICE