diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index f22aaa3..8dbd108 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -108,7 +108,8 @@
     valgrind-dbg \
     lcov \
     libpam0g-dev \
-    xxd
+    xxd \
+    wget
 
 RUN pip install inflection
 RUN pip install pycodestyle