diff --git a/tools/gn/header_checker.cc b/tools/gn/header_checker.cc
index 5b15643..dd8dc0e 100644
--- a/tools/gn/header_checker.cc
+++ b/tools/gn/header_checker.cc
@@ -154,8 +154,8 @@
   if (files.empty())
     return;
 
-  scoped_refptr<base::SequencedWorkerPool> pool(
-      new base::SequencedWorkerPool(16, "HeaderChecker"));
+  scoped_refptr<base::SequencedWorkerPool> pool(new base::SequencedWorkerPool(
+      16, "HeaderChecker", base::TaskPriority::USER_VISIBLE));
   for (const auto& file : files) {
     // Only check C-like source files (RC files also have includes).
     SourceFileType type = GetSourceFileType(file.first);
diff --git a/tools/gn/scheduler.cc b/tools/gn/scheduler.cc
index 7364a02..ed67c98 100644
--- a/tools/gn/scheduler.cc
+++ b/tools/gn/scheduler.cc
@@ -67,7 +67,9 @@
 }  // namespace
 
 Scheduler::Scheduler()
-    : pool_(new base::SequencedWorkerPool(GetThreadCount(), "worker_")),
+    : pool_(new base::SequencedWorkerPool(GetThreadCount(),
+                                          "worker_",
+                                          base::TaskPriority::USER_VISIBLE)),
       input_file_manager_(new InputFileManager),
       verbose_logging_(false),
       work_count_(0),