diff --git a/userbenchmark/release-test/run_release_test.sh b/userbenchmark/release-test/run_release_test.sh
index 35a9d17a48..794d243085 100644
--- a/userbenchmark/release-test/run_release_test.sh
+++ b/userbenchmark/release-test/run_release_test.sh
@@ -16,6 +16,7 @@ fi
 
 . switch-cuda.sh "${CUDA_VERSION}"
 nvcc --version
+sudo apt-get install bc
 # run mnist
 mkdir -p "${RESULT_DIR}/mnist"
 pushd "${EXAMPLES_DIR}/mnist"