diff --git a/Dockerfile.test b/Dockerfile.test
index 17bf5a1f..f04cb4eb 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -14,6 +14,7 @@ RUN  dnf -y install \
   python3-mock \
   python3-nose \
   python3-pocketlint \
+  python3-pycdlib \
   python3-pylint \
   python3-pyparted \
   python3-pytoml \