diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index 389a313..8def57c 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -916,7 +916,8 @@
 RUN apt-get install -y \
         clang-20 \
         clang-format-20 \
-        clang-tidy-20
+        clang-tidy-20 \
+        lld-20
 
 RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-20 1000 \
   --slave /usr/bin/clang++ clang++ /usr/bin/clang++-20 \
@@ -924,7 +925,8 @@
   --slave /usr/bin/clang-format clang-format /usr/bin/clang-format-20 \
   --slave /usr/bin/run-clang-tidy run-clang-tidy.py \
         /usr/bin/run-clang-tidy-20 \
-  --slave /usr/bin/scan-build scan-build /usr/bin/scan-build-20
+  --slave /usr/bin/scan-build scan-build /usr/bin/scan-build-20 \
+  --slave /usr/bin/lld lld /usr/bin/lld-20
 
 """
 
diff --git a/scripts/unit-test.py b/scripts/unit-test.py
index f762c01..d6d9d1b 100755
--- a/scripts/unit-test.py
+++ b/scripts/unit-test.py
@@ -1066,6 +1066,8 @@
             # std::forward_like which results in a bunch of compile errors.
             # Adding -fno-builtin-std-forward_like causes them to go away.
             os.environ["CXX"] = "clang++ -fno-builtin-std-forward_like"
+            os.environ["CC_LD"] = "lld"
+            os.environ["CXX_LD"] = "lld"
             with TemporaryDirectory(prefix="build", dir=".") as build_dir:
                 check_call_cmd("meson", "setup", build_dir)
                 if not os.path.isfile(".openbmc-no-clang"):