diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index fac4c97..499c17c 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -146,6 +146,7 @@
     lcov \
     libpam0g-dev \
     xxd \
+    libi2c-dev \
     wget
 
 RUN pip install inflection