diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 73fa510..57a85ef 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -252,6 +252,7 @@
 
 RUN pip install inflection
 RUN pip install pycodestyle
+RUN pip3 install inflection
 RUN pip3 install meson==0.52.0
 
 FROM openbmc-base as openbmc-lcov