diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d3d6317ee..070cab376 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,6 +36,7 @@ env:
   CI: 1
   repo: ${{ github.event.inputs.repo || github.repository }}
   ref: ${{ github.event.inputs.ref || github.ref }}
+  MAX_JOBS: 4
 
 concurrency:
   group: ${{ github.event.inputs.ref || github.ref }}-workflow-release
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 3dd17fd7f..f94f370e6 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -34,6 +34,7 @@ on:
 env:
   CUDA_DEVICE_ORDER: PCI_BUS_ID
   CUDA_VISIBLE_DEVICES: 0
+  MAX_JOBS: 4
   ZEN4_SERVER: 10.0.14.199
   CPU_TEST_FILES: "test_qbits.py"
   IGNORED_TEST_FILES: "test_tgi.py"