diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index eaa7a8f878..dbead98fe2 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -485,7 +485,7 @@ jobs:
     needs:
     - orchestrate
     if: needs.orchestrate.outputs.run_tests == 'true' && github.event_name != 'merge_group'
-    runs-on: namespace-profile-16x32-ubuntu-2204
+    runs-on: namespace-profile-4x8-ubuntu-2204
     steps:
     - name: steps::harden_runner
       uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411
@@ -952,7 +952,7 @@ jobs:
     needs:
     - orchestrate
     if: needs.orchestrate.outputs.run_tests == 'true'
-    runs-on: namespace-profile-8x16-ubuntu-2204
+    runs-on: namespace-profile-4x8-ubuntu-2204
     env:
       GIT_AUTHOR_NAME: Protobuf Action
       GIT_AUTHOR_EMAIL: ci@zed.dev
diff --git a/tooling/xtask/src/tasks/workflows/run_tests.rs b/tooling/xtask/src/tasks/workflows/run_tests.rs
index 25981b4259..2914f2f1ce 100644
--- a/tooling/xtask/src/tasks/workflows/run_tests.rs
+++ b/tooling/xtask/src/tasks/workflows/run_tests.rs
@@ -784,7 +784,7 @@ pub(crate) fn check_postgres_and_protobuf_migrations() -> NamedJob {
 
     named::job(
         release_job(&[])
-            .runs_on(runners::LINUX_LARGE)
+            .runs_on(runners::LINUX_MEDIUM)
             .add_env(("GIT_AUTHOR_NAME", "Protobuf Action"))
             .add_env(("GIT_AUTHOR_EMAIL", "ci@zed.dev"))
             .add_env(("GIT_COMMITTER_NAME", "Protobuf Action"))
@@ -818,7 +818,7 @@ fn miri_scheduler() -> NamedJob {
 
     named::job(
         release_job(&[])
-            .runs_on(runners::LINUX_DEFAULT)
+            .runs_on(runners::LINUX_MEDIUM)
             .add_step(steps::harden_runner())
             .add_step(steps::checkout_repo())
             .add_step(steps::setup_cargo_config(Platform::Linux))