diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 0f572c9687dd..27fdc9e37037 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -241,6 +241,7 @@ jobs:
       - name: Verify that benchmark queries return expected results
         run: |
           export TPCH_DATA=`realpath datafusion/sqllogictest/test_files/tpch/data`
+          # use release build for plan verificaton because debug build causes stack overflow
           cargo test plan_q --package datafusion-benchmarks --profile release-nonlto --features=ci -- --test-threads=1
           INCLUDE_TPCH=true cargo test --test sqllogictests
       - name: Verify Working Directory Clean