diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 23fd2ba..12de65b 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -59,6 +59,9 @@
     wget \
     git
 
+RUN easy_install pip
+RUN pip install inflection
+
 RUN wget http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2016.09.16.tar.xz
 RUN tar -xJf autoconf-archive-2016.09.16.tar.xz
 RUN cd autoconf-archive-2016.09.16 && ./configure --prefix=/usr && make && make install