diff --git a/scripts/ci_run_benchmark.sh b/scripts/ci_run_benchmark.sh
index 2c771d2d..875f2c1a 100644
--- a/scripts/ci_run_benchmark.sh
+++ b/scripts/ci_run_benchmark.sh
@@ -24,7 +24,7 @@ MAIN_BRANCH_RESULTS_FILE="$MAIN_BRANCH_DIR/$CANBENCH_RESULTS_FILE"
 CANBENCH_RESULTS_CSV_FILE="/tmp/canbench_results_${CANBENCH_JOB_NAME}.csv"
 
 # Install canbench.
-cargo install --version 0.1.15 canbench
+cargo install --version 0.1.15 --locked canbench
 
 # Verify that the canbench results file exists.
 if [ ! -f "$CANBENCH_RESULTS_FILE" ]; then