diff --git a/machine-learning/Dockerfile b/machine-learning/Dockerfile
index 487bdd5b7a..c6f9f01675 100644
--- a/machine-learning/Dockerfile
+++ b/machine-learning/Dockerfile
@@ -112,7 +112,7 @@ ARG RKNN_TOOLKIT_VERSION="v2.3.0"
 ENV LD_PRELOAD=/usr/lib/libmimalloc.so.2 \
     MACHINE_LEARNING_MODEL_ARENA=false
 
-ADD --checksum=sha256:73993ed4b440460825f21611731564503cc1d5a0c123746477da6cd574f34885 "https://github.com/airockchip/rknn-toolkit2/raw/refs/tags/${RKNN_TOOLKIT_VERSION}/rknpu2/runtime/Linux/librknn_api/aarch64/librknnrt.so" /usr/lib/
+ADD --chmod=644 --checksum=sha256:73993ed4b440460825f21611731564503cc1d5a0c123746477da6cd574f34885 "https://github.com/airockchip/rknn-toolkit2/raw/refs/tags/${RKNN_TOOLKIT_VERSION}/rknpu2/runtime/Linux/librknn_api/aarch64/librknnrt.so" /usr/lib/
 
 FROM prod-${DEVICE} AS prod