diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index fa7cd6b0d..88f3df40d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -73,7 +73,7 @@ jobs:
         with:
           prefix-key: "v1-rust" # can be updated if we need to reset caches due to non-trivial change in the dependencies (for example, custom env var were set for single workspace project)
       - name: Install the project
-        run: ./scripts/run-sim --maximum-tests 2000 loop -n 50 -s
+        run: ./scripts/run-sim --maximum-tests 2000 loop -n 20 -s
 
   test-limbo:
     runs-on: blacksmith-4vcpu-ubuntu-2404