diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index a91985bf362ec..3343c82380fc5 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -225,7 +225,7 @@ jobs:
       - name: Set SMP version
         id: experimental-meta
         run: |
-          export SMP_CRATE_VERSION="0.18.0"
+          export SMP_CRATE_VERSION="0.16.1"
           echo "smp crate version: ${SMP_CRATE_VERSION}"
           echo "SMP_CRATE_VERSION=${SMP_CRATE_VERSION}" >> $GITHUB_OUTPUT