diff --git a/Dockerfile.test b/Dockerfile.test
index 095c8e4..2897f3e 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -10,7 +10,7 @@ RUN wget https://gitlab.com/-/project/6808260/uploads/094ce726ce3c6cf8c14560f1e3
     && mv akku-1.1.0.amd64-linux akku
 RUN git clone https://github.com/ashinn/chibi-scheme.git --depth=1
 RUN git clone https://codeberg.org/retropikzel/compile-scheme.git --depth=2
-RUN git clone https://github.com/srfi-explorations/r7rs-srfi.git --branch=retropikzel-fixes --depth=2
+RUN git clone https://github.com/srfi-explorations/r7rs-srfi.git --branch=retropikzel-fixes --depth=3
 WORKDIR /build/chibi-scheme
 RUN make
 RUN make install
@@ -39,7 +39,10 @@ ENV PATH=/root/.local/bin:${PATH}
 RUN akku update
 WORKDIR /workdir
 RUN snow-chibi install --impls=${SCHEME} --always-yes "(srfi 64)"
-RUN snow-chibi install --impls=${SCHEME} --always-yes "(srfi 180)"
+RUN snow-chibi update
+WORKDIR /build/r7rs-srfi
+RUN make SCHEME=${SCHEME} SRFI=180 build install
+#RUN snow-chibi install --impls=${SCHEME} --always-yes "(srfi 180)"
 RUN mkdir -p srfi
 COPY Makefile .
 COPY retropikzel retropikzel/