diff --git a/ci/test_wheel_distributed_ucxx.sh b/ci/test_wheel_distributed_ucxx.sh
index 6a1d870f..ac706503 100755
--- a/ci/test_wheel_distributed_ucxx.sh
+++ b/ci/test_wheel_distributed_ucxx.sh
@@ -9,12 +9,14 @@ source "$(dirname "$0")/test_common.sh"
 
 RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 
-RAPIDS_PY_WHEEL_NAME="${package_name}_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./dist
-ucxx_wheelhouse=$(RAPIDS_PY_WHEEL_NAME="ucxx_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-ucxx-dep)
+RAPIDS_PY_WHEEL_NAME="${package_name}_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 python ./dist
+ucxx_wheelhouse=$(RAPIDS_PY_WHEEL_NAME="ucxx_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 python ./local-ucxx-dep)
+libucxx_wheelhouse=$(RAPIDS_PY_WHEEL_NAME="libucxx_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 cpp ./local-libucxx-dep)
 
 python -m pip install \
     -v \
     "${ucxx_wheelhouse}"/ucxx_${RAPIDS_PY_CUDA_SUFFIX}*.whl \
+    "${libucxx_wheelhouse}"/libucxx_${RAPIDS_PY_CUDA_SUFFIX}*.whl \
     "$(echo ./dist/${package_name}_${RAPIDS_PY_CUDA_SUFFIX}*.whl)[test]"
 
 rapids-logger "Distributed Tests"
diff --git a/ci/test_wheel_ucxx.sh b/ci/test_wheel_ucxx.sh
index cb9b057c..18a30c01 100755
--- a/ci/test_wheel_ucxx.sh
+++ b/ci/test_wheel_ucxx.sh
@@ -9,8 +9,13 @@ source "$(dirname "$0")/test_common.sh"
 
 RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 
-RAPIDS_PY_WHEEL_NAME="${package_name}_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./dist
-python -m pip install -v "$(echo ./dist/${package_name}_${RAPIDS_PY_CUDA_SUFFIX}*.whl)[test]"
+RAPIDS_PY_WHEEL_NAME="${package_name}_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 python ./dist
+libucxx_wheelhouse=$(RAPIDS_PY_WHEEL_NAME="libucxx_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 cpp ./local-libucxx-dep)
+
+python -m pip install \
+    -v \
+    "${libucxx_wheelhouse}"/libucxx_${RAPIDS_PY_CUDA_SUFFIX}*.whl \
+    "$(echo ./dist/${package_name}_${RAPIDS_PY_CUDA_SUFFIX}*.whl)[test]"
 
 rapids-logger "Python Core Tests"
 run_py_tests