diff --git a/.github/workflows/master_fuzzer_binaries.yml b/.github/workflows/master_fuzzer_binaries.yml
index b95d65373db..0d9e2baccae 100644
--- a/.github/workflows/master_fuzzer_binaries.yml
+++ b/.github/workflows/master_fuzzer_binaries.yml
@@ -51,5 +51,6 @@ jobs:
         run: |
           NAME="nearcore-${{ github.ref_name }}-$(env TZ=Etc/UTC  date +"%Y%m%d%H%M%S")"
           sed -i 's/warnings = "deny"/warnings = "warn"/' Cargo.toml
-          RUSTFLAGS="--cfg fuzz" cargo +nightly bolero build-clusterfuzz --all-features --profile fuzz
+          # Our Clusterfuzz setup currently (2024-02) runs on Cascade Lake CPUs
+          RUSTFLAGS="--cfg fuzz -C target-cpu=cascadelake" cargo +nightly bolero build-clusterfuzz --all-features --profile fuzz
           gsutil cp -Z target/fuzz/clusterfuzz.tar "gs://fuzzer_targets/${{ github.ref_name }}/$NAME.tar.gz"