diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 771d2d8..ef3045c 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -105,7 +105,8 @@
     libsnmp-dev \
     valgrind \
     valgrind-dbg \
-    lcov
+    lcov \
+    libpam0g-dev
 
 RUN pip install inflection
 RUN pip install pycodestyle