diff --git a/ubuntu.Dockerfile b/ubuntu.Dockerfile
index 15ccff0..4b70cad 100644
--- a/ubuntu.Dockerfile
+++ b/ubuntu.Dockerfile
@@ -8,6 +8,7 @@ RUN apt update && apt install -y --no-install-recommends \
     libzstd-dev
 
 COPY . .
+RUN make clean
 RUN git submodule update --init
 RUN make setup-golpe
 RUN make -j4