diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 329d9ce4..b72d098c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   pkg_build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
@@ -36,7 +36,7 @@ jobs:
         run: npm run build
 
   docs_build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 39854cbc..8c546073 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   oxlint:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
@@ -34,7 +34,7 @@ jobs:
         run: npm run lint:static
 
   typescript:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
@@ -60,7 +60,7 @@ jobs:
         run: npm run lint:types
 
   prettier:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
       - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
@@ -87,7 +87,7 @@ jobs:
 
   phpcs:
     name: phpcs
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -120,7 +120,7 @@ jobs:
 
   phpstan:
     name: phpstan
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9d66d1e3..ec1127b8 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -29,7 +29,7 @@ permissions:
 jobs:
   test:
     name: Test
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
@@ -57,10 +57,10 @@ jobs:
       - run: npm run build
 
       # The component specs run in a real Chromium through Vitest browser mode,
-      # so the runner needs the browser binary. No `--with-deps`: that installs
-      # system packages through apt and is Ubuntu-only.
+      # so the runner needs the browser binary and, on Ubuntu, the system
+      # libraries it links against: `--with-deps` installs them through apt.
       - name: Install Playwright Chromium
-        run: npx playwright install chromium
+        run: npx playwright install --with-deps chromium
 
       - name: Test
         run: npm run test -- -- --coverage.enabled
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dfb7f5ea..17f6cfe8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   unit_node:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     env:
       NODE_VERSION: 24
     steps:
@@ -33,10 +33,10 @@ jobs:
       - name: Install modules
         run: npm install --no-audit --no-fund
       # The component specs run in a real Chromium through Vitest browser mode,
-      # so the runner needs the browser binary. No `--with-deps`: that installs
-      # system packages through apt and is Ubuntu-only.
+      # so the runner needs the browser binary and, on Ubuntu, the system
+      # libraries it links against: `--with-deps` installs them through apt.
       - name: Install Playwright Chromium
-        run: npx playwright install chromium
+        run: npx playwright install --with-deps chromium
       - name: Run tests
         run: npm run test -- -- --coverage.enabled
       - name: Upload coverage to Codecov
@@ -50,7 +50,7 @@ jobs:
           verbose: true
 
   unit_eslint_plugin:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     env:
       NODE_VERSION: 24
     steps: