diff --git a/.github/workflows/long_fuzz_tests_btree.yml b/.github/workflows/long_fuzz_tests_btree.yml
index d98cde0bc..fba369085 100644
--- a/.github/workflows/long_fuzz_tests_btree.yml
+++ b/.github/workflows/long_fuzz_tests_btree.yml
@@ -30,7 +30,7 @@ jobs:
         RUST_BACKTRACE: 1
 
   simple-stress-test:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 0
     steps:
     - uses: actions/checkout@v3