diff --git a/tests/docker/Dockerfile.testing.cpp.debian_buster b/tests/docker/Dockerfile.testing.cpp.debian_buster
new file mode 100644
index 0000000..7b0cce2
--- /dev/null
+++ b/tests/docker/Dockerfile.testing.cpp.debian_buster
@@ -0,0 +1,10 @@
+FROM debian:10.1-slim as base
+RUN apt -qq update >/dev/null
+RUN apt -qq install -y cmake make build-essential >/dev/null
+RUN apt -qq install -y autoconf git libtool >/dev/null
+RUN apt -qq install -y clang >/dev/null
+FROM base
+# Travis machines have 2 cores. Can be redefined with 'run --env PAR_JOBS=N'.
+ENV JOBS=2
+WORKDIR /flatbuffers
+ADD . .