diff --git a/.github/workflows/develop-bench.yml b/.github/workflows/develop-bench.yml
index 103583bb2aa..db35d6abb2e 100644
--- a/.github/workflows/develop-bench.yml
+++ b/.github/workflows/develop-bench.yml
@@ -35,7 +35,7 @@ jobs:
     timeout-minutes: 120
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=bench-dedicated/family=c6id.metal/extras=s3-cache/tag={1}', github.run_id, matrix.benchmark.id)
+          && format('runs-on={0}/runner=bench-dedicated/family=c8id.metal-48xl/extras=s3-cache/tag={1}', github.run_id, matrix.benchmark.id)
           || 'ubuntu-latest' }}
     strategy:
       fail-fast: false
diff --git a/.github/workflows/nightly-bench.yml b/.github/workflows/nightly-bench.yml
index cc90e07316f..d15a7cf449d 100644
--- a/.github/workflows/nightly-bench.yml
+++ b/.github/workflows/nightly-bench.yml
@@ -30,4 +30,4 @@ jobs:
       matrix:
         machine_type:
           - id: x86
-            instance_name: c6id.metal
+            instance_name: c8id.metal-48xl
diff --git a/.github/workflows/pr-bench-runner.yml b/.github/workflows/pr-bench-runner.yml
index 886c8847c6e..d99ac9a0816 100644
--- a/.github/workflows/pr-bench-runner.yml
+++ b/.github/workflows/pr-bench-runner.yml
@@ -32,7 +32,7 @@ jobs:
     timeout-minutes: 120
     runs-on: >-
       ${{ github.repository == 'vortex-data/vortex'
-          && format('runs-on={0}/runner=bench-dedicated/family=c6id.metal/tag={1}{2}', github.run_id, inputs.benchmark_id, github.event.pull_request.head.repo.fork == false && '/extras=s3-cache' || '')
+          && format('runs-on={0}/runner=bench-dedicated/family=c8id.metal-48xl/tag={1}{2}', github.run_id, inputs.benchmark_id, github.event.pull_request.head.repo.fork == false && '/extras=s3-cache' || '')
           || 'ubuntu-latest' }}
     steps:
       - uses: runs-on/action@v2
diff --git a/.github/workflows/sql-bench-matrix.yml b/.github/workflows/sql-bench-matrix.yml
index 9cd246e4c4f..5e4d51ffc04 100644
--- a/.github/workflows/sql-bench-matrix.yml
+++ b/.github/workflows/sql-bench-matrix.yml
@@ -13,7 +13,7 @@ on:
       machine_type:
         required: false
         type: string
-        default: c6id.metal
+        default: c8id.metal-48xl
 
 jobs:
   resolve-matrix: