diff --git a/.github/workflows/ci-e2e.yml b/.github/workflows/ci-e2e.yml
index 9f3c25492..c065c5237 100644
--- a/.github/workflows/ci-e2e.yml
+++ b/.github/workflows/ci-e2e.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
         browser: [ "chromium", "firefox", "webkit" ]
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index 28af82298..4dbe22ade 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-13
+    runs-on: macos-latest-large
     strategy:
       matrix:
         python-version: [ "3.9", "3.10", "3.11", "3.12" ]