diff --git a/Makefile b/Makefile
index 235a305f..cc8d53f2 100644
--- a/Makefile
+++ b/Makefile
@@ -40,7 +40,7 @@ test:
 .PHONY: dockertest
 dockertest:
 > $(MAKE) -C docker/organic_test
-> docker run --rm -i -t -v "$$(readlink -f ./):/.source:ro" -w / organic-test sh -c "cp -r /.source /source && cd /source && cargo test --lib --test test_loader"
+> docker run --rm -i -t -v "$$(readlink -f ./):/.source:ro" --mount source=cargo-cache,target=/usr/local/cargo/registry -w / organic-test sh -c "cp -r /.source /source && cd /source && cargo test --lib --test test_loader"
 
 .PHONY: integrationtest
 integrationtest: