diff --git a/tests/docker/dockerfiles/debian9.docker b/tests/docker/dockerfiles/debian9.docker
index c74f71283c..6b6bf41421 100644
--- a/tests/docker/dockerfiles/debian9.docker
+++ b/tests/docker/dockerfiles/debian9.docker
@@ -18,8 +18,11 @@ RUN DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata
 RUN DEBIAN_FRONTEND=noninteractive eatmydata \
     apt install -y --no-install-recommends \
         bison \
+        binutils-multiarch \
         build-essential \
         ca-certificates \
         clang \
         flex \
-        git
+        git \
+        pkg-config \
+        python-minimal