diff --git a/Dockerfile.test b/Dockerfile.test
index 1496f67..d1010f5 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -6,7 +6,16 @@ RUN cd sagittarius-0.9.12 && mkdir build && cd build && cmake -DCMAKE_INSTALL_PR
 
 FROM schemers/${COMPILE_R7RS}
 RUN apt-get update && apt-get install -y \
-    git make libffi8 libgc1 libssl3 libuv1 build-essential libffi-dev libmbedtls-dev
+    build-essential \
+    git \
+    make \
+    libffi8 \
+    libgc1 \
+    libssl3 \
+    libuv1 \
+    build-essential \
+    libffi-dev \
+    libmbedtls-dev
 COPY --from=build /usr/local-other/ /usr/local-other/
 ENV PATH=${PATH}:/usr/local-other/bin
 RUN git clone https://github.com/Retropikzel/compile-r7rs.git --depth=1