diff --git a/ci/scripts/deterministic-e2e-test.sh b/ci/scripts/deterministic-e2e-test.sh
index 091ce3dcd5511..b3b29bfb3a368 100755
--- a/ci/scripts/deterministic-e2e-test.sh
+++ b/ci/scripts/deterministic-e2e-test.sh
@@ -6,6 +6,7 @@ set -euo pipefail
 source ci/scripts/common.sh
 source ci/scripts/pr.env.sh
 rustup default stable
+rustup +stable target add wasm32-wasi
 
 echo "--- Download artifacts"
 download-and-decompress-artifact risingwave_simulation .