diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 7850c06..42a227d 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -82,7 +82,8 @@
     clang-format-5.0 \
     iproute2 \
     libnl-3-dev \
-    libnl-genl-3-dev
+    libnl-genl-3-dev \
+    libconfig++-dev
 
 RUN pip install inflection
 RUN pip install pycodestyle