diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index f7de137..4af1f8d 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -231,6 +231,9 @@
         ],
     ),
     "openbmc/sdbusplus": PackageDef(
+        depends=[
+            "nlohmann/json",
+        ],
         build_type="meson",
         custom_post_dl=[
             "cd tools",