diff --git a/.github/workflows/post-pr.yml b/.github/workflows/post-pr.yml
index bf948064ed..8eff24b0c8 100644
--- a/.github/workflows/post-pr.yml
+++ b/.github/workflows/post-pr.yml
@@ -31,7 +31,7 @@ jobs:
   ui-tests:
     name: UI Tests (Synapse)
     needs: should-i-run
-    runs-on: buildjet-4vcpu-ubuntu-2204
+    runs-on: buildjet-2vcpu-ubuntu-2204
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ffffb2b760..c63ab593b4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ env:
 jobs:
   tests:
     name: Runs all tests
-    runs-on: buildjet-4vcpu-ubuntu-2204 # for the emulator
+    runs-on: buildjet-2vcpu-ubuntu-2204
     # Allow all jobs on main and develop. Just one per PR.
     concurrency:
       group: ${{ github.ref == 'refs/heads/main' && format('unit-tests-main-{0}', github.sha) || github.ref == 'refs/heads/develop' && format('unit-tests-develop-{0}', github.sha) || format('unit-tests-{0}', github.ref) }}