diff --git a/.github/actions/setup-playwright/action.yml b/.github/actions/setup-playwright/action.yml
index b97c953f4a..0b642ecb00 100644
--- a/.github/actions/setup-playwright/action.yml
+++ b/.github/actions/setup-playwright/action.yml
@@ -102,4 +102,18 @@ runs:
     - name: Install Playwright browsers
       if: ${{ steps.preinstalled-playwright.outputs.enabled != 'true' }}
       shell: bash
-      run: ${{ inputs.install-command }}
+      env:
+        INSTALL_COMMAND: ${{ inputs.install-command }}
+        PACKAGE_JSON_PATH: ${{ inputs.package-json-path }}
+        RUNNER_LABELS_JSON: ${{ inputs.runner-labels }}
+      run: |
+        case "$RUNNER_LABELS_JSON" in
+          *"blacksmith-"*"ubuntu-2404"*)
+            package_dir="${PACKAGE_JSON_PATH%/*}"
+            echo "Using Blacksmith Ubuntu runner OS dependencies; installing Playwright browser binaries only."
+            pnpm -C "$package_dir" exec playwright install chromium
+            ;;
+          *)
+            bash -o pipefail -c "$INSTALL_COMMAND"
+            ;;
+        esac
diff --git a/e2e/tests/actions-cache-workflows.test.ts b/e2e/tests/actions-cache-workflows.test.ts
index a0b48155f0..e8c4201139 100644
--- a/e2e/tests/actions-cache-workflows.test.ts
+++ b/e2e/tests/actions-cache-workflows.test.ts
@@ -21,11 +21,13 @@ describe("GitHub Actions cache workflows", () => {
     const action = await readFile(setupPlaywrightAction, "utf8");
 
     expect(action).toContain("*'\"nexu-runners-'*");
+    expect(action).toContain('*"blacksmith-"*"ubuntu-2404"*)');
     expect(action).toContain("PLAYWRIGHT_BROWSERS_PATH");
     expect(action).toContain("steps.preinstalled-playwright.outputs.enabled == 'true'");
     expect(action).toContain("steps.preinstalled-playwright.outputs.enabled != 'true'");
     expect(action).toContain('pnpm -C "$package_dir" exec playwright install chromium');
-    expect(action).toContain("run: ${{ inputs.install-command }}");
+    expect(action).toContain("Using Blacksmith Ubuntu runner OS dependencies");
+    expect(action).toContain('bash -o pipefail -c "$INSTALL_COMMAND"');
   });
 
   it("[P1] keeps pnpm cache writes on explicit trusted main seed jobs", async () => {