diff --git a/contrib/Dockerfile b/contrib/Dockerfile
index 757777568319d1d4cf7a4df4e7975b40eed1d563..6337d281da25627790d4726979c75aadec03d7e6 100644
--- a/contrib/Dockerfile
+++ b/contrib/Dockerfile
@@ -15,6 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libssl-dev \
     libelf-dev \
     wget \
+    rsync \
     time \
     ecdsautils \
     lua-check \