diff --git a/dockerfiles/Dockerfile.snow-chibi-install-test b/dockerfiles/Dockerfile.snow-chibi-install-test
index d80661f..335adee 100644
--- a/dockerfiles/Dockerfile.snow-chibi-install-test
+++ b/dockerfiles/Dockerfile.snow-chibi-install-test
@@ -1,3 +1,10 @@
+FROM debian:bookworm-slim AS build
+RUN apt-get update && apt-get install -y \
+    chicken-bin
+RUN chicken-install r7rs
+RUN git clone https://gitea.scheme.org/Retropikzel/compile-r7rs.git --depth=1
+RUN cd compile-r7rs && make && make install
+
 ARG SCHEME=chibi
 FROM schemers/${SCHEME}
 RUN apt-get update && apt-get install -y \
@@ -13,13 +20,11 @@ RUN apt-get update && apt-get install -y \
     libmbedtls-dev \
     markdown \
     pandoc \
-    weasyprint \
-    chicken-bin
+    weasyprint
+COPY --from=build /usr/local/ /usr/local-other
+ENV PATH=/usr/local-other:${PATH}
 RUN git clone https://github.com/ashinn/chibi-scheme.git --depth=1
 RUN cd chibi-scheme && make && make install
-RUN chicken-install r7rs
-RUN git clone https://gitea.scheme.org/Retropikzel/compile-r7rs.git --depth=1
-RUN cd compile-r7rs && make && make install
 ARG SCHEME=chibi
 ENV COMPILE_R7RS=${SCHEME}
 RUN mkdir -p ${HOME}/.snow && echo "()" > ${HOME}/.snow/config.scm