diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 55b703b1e..eb59dff86 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -265,13 +265,15 @@ jobs:
   build-cli-pr:
     if: github.event_name == 'pull_request'
     needs: [release-test]
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-linux-amd64-16gb
     steps:
     - uses: actions/checkout@v4
     - uses: ./.github/actions/setup-mise
     - run: mise run codegen
     - run: deno task pack
       working-directory: ${{ github.workspace }}/packages/cli/
+      env:
+        CONCURRENCY: "3"
     - uses: actions/upload-artifact@v4
       with:
         name: cli-pr-${{ github.event.pull_request.number }}
@@ -322,7 +324,7 @@ jobs:
   build-cli:
     if: github.event_name == 'push'
     needs: [test, test-node, test-bun, test-cfworkers, lint, release-test, determine-version]
-    runs-on: ubuntu-latest
+    runs-on: namespace-profile-linux-amd64-16gb
     steps:
     - uses: actions/checkout@v4
     - uses: ./.github/actions/setup-mise
@@ -330,6 +332,8 @@ jobs:
     - run: mise run codegen
     - run: deno task pack
       working-directory: ${{ github.workspace }}/packages/cli/
+      env:
+        CONCURRENCY: "3"
     - uses: actions/upload-artifact@v4
       with:
         name: cli
diff --git a/packages/cli/scripts/pack.ts b/packages/cli/scripts/pack.ts
index f8ec1d2fe..96adecb62 100644
--- a/packages/cli/scripts/pack.ts
+++ b/packages/cli/scripts/pack.ts
@@ -56,16 +56,28 @@ async function pack(os: OS, arch: Arch): Promise<void> {
 const osFilter = Deno.env.get("OS")?.toLowerCase();
 const archFilter = Deno.env.get("ARCH")?.toLowerCase();
 
-const promises: Promise<void>[] = [];
+const tasks: Array<() => Promise<void>> = [];
 for (const osKey in triplets) {
   const os = osKey as OS;
   if (osFilter != null && osFilter !== os) continue;
   for (const arch in triplets[os]) {
     if (archFilter != null && archFilter !== arch) continue;
-    const promise = pack(os, arch as Arch);
-    promises.push(promise);
+    tasks.push(() => pack(os, arch as Arch));
   }
 }
-await Promise.all(promises);
+const maxConcurrency = parseInt(
+  Deno.env.get("CONCURRENCY") ?? `${tasks.length}`,
+);
+const executing = new Set<Promise<void>>();
+for (const task of tasks) {
+  const p = task().then(() => {
+    executing.delete(p);
+  });
+  executing.add(p);
+  if (executing.size >= maxConcurrency) {
+    await Promise.race(executing);
+  }
+}
+await Promise.all(executing);
 
 // cSpell: ignore cfvz