--- a/.docker/Dockerfile-parachain-upgrade-data.j2
+++ b/.docker/Dockerfile-parachain-upgrade-data.j2
@@ -25,6 +25,7 @@
 WORKDIR /unique_parachain
 
 RUN git clone https://github.com/UniqueNetwork/unique-chain.git -b {{ MAINNET_BRANCH }} . && \
+    ls
 #   cargo build --features={{ NETWORK }}-runtime --$PROFILE
 
 # ===== BUILD target version ======