diff --git a/.github/workflows/buildAndTestCMake.yml b/.github/workflows/buildAndTestCMake.yml
index ef2e6d1734..1c75d7012f 100644
--- a/.github/workflows/buildAndTestCMake.yml
+++ b/.github/workflows/buildAndTestCMake.yml
@@ -43,7 +43,7 @@ jobs:
       STABLEHLO_PYTHON_BUILD_DIR: "stablehlo-python-build"
     strategy:
       fail-fast: false
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-22.04-64core
 
     steps:
     - name: Checkout StableHLO
diff --git a/.github/workflows/buildBazel.yml b/.github/workflows/buildBazel.yml
index c51718788b..2a168f637b 100644
--- a/.github/workflows/buildBazel.yml
+++ b/.github/workflows/buildBazel.yml
@@ -38,7 +38,7 @@ jobs:
   bazel-build:
     strategy:
       fail-fast: false
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-22.04-64core
 
     steps:
     - name: Checkout StableHLO
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index db4ae53c0c..b3768f4dfb 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -22,7 +22,7 @@ jobs:
   clang-format:
     # This job can only be run on pull_request since GITHUB_BASE_REF is only set on PR.
     if: "github.event_name == 'pull_request'"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04-64core
     steps:
       - name: Checking out repository
         uses: actions/checkout@v2
@@ -35,7 +35,7 @@ jobs:
   whitespace-checks:
     # This job can only be run on pull_request since GITHUB_BASE_REF is only set on PR.
     if: "github.event_name == 'pull_request'"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04-64core
     steps:
       - name: Checking out repository
         uses: actions/checkout@v2
diff --git a/.github/workflows/markdown_lint.yml b/.github/workflows/markdown_lint.yml
index 9bd27fa819..a5308e5405 100644
--- a/.github/workflows/markdown_lint.yml
+++ b/.github/workflows/markdown_lint.yml
@@ -22,7 +22,7 @@ on:
 
 jobs:
   markdown-lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04-64core
     steps:
     - name: Checking out repository
       uses: actions/checkout@v3