diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6789dc8..a3277c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   lint-and-test:
-    runs-on: ubuntu-latest
+    runs-on: warp-ubuntu-latest-x64-2x
     timeout-minutes: 10
     outputs:
       code_changed: ${{ steps.changes.outputs.code_changed }}
@@ -95,7 +95,7 @@ jobs:
 
   test-matrix:
     name: Tests (Python ${{ matrix.python-version }})
-    runs-on: ubuntu-latest
+    runs-on: warp-ubuntu-latest-x64-2x
     timeout-minutes: 10
     strategy:
       fail-fast: false
@@ -117,7 +117,7 @@ jobs:
   auto-tag:
     needs: [lint-and-test, test-matrix]
     if: github.event_name == 'push' && needs.lint-and-test.outputs.code_changed == 'true'
-    runs-on: ubuntu-latest
+    runs-on: warp-ubuntu-latest-x64-2x
     timeout-minutes: 5
     permissions:
       contents: write
@@ -160,7 +160,7 @@ jobs:
   release:
     needs: auto-tag
     if: needs.auto-tag.outputs.created == 'true'
-    runs-on: ubuntu-latest
+    runs-on: warp-ubuntu-latest-x64-2x
     timeout-minutes: 5
     permissions:
       contents: write