diff --git a/ensure_bootstrap b/ensure_bootstrap
index 514845a6a..bb11cd0b4 100755
--- a/ensure_bootstrap
+++ b/ensure_bootstrap
@@ -40,14 +40,17 @@ source "$base_dir/cipd_bin_setup.sh"
 cipd_bin_setup
 
 # Sync "gsutil.py".
-python "$base_dir/gsutil.py" -- version 1> /dev/null
+python "$base_dir/gsutil.py" -- version 1> /dev/null &
 
 # Sync all the pylint versions.
 for script in "$base_dir"/pylint-[0-9].[0-9]; do
   # We have to silence stderr too because newer pylint versions will emit
   # a spurious log to tell us what pylintrc file it's using.  Ugh.
-  "$script" --version >/dev/null 2>&1
+  "$script" --version >/dev/null 2>&1 &
 done
 
+# Run bootstraps in parallel to help speed things up.
+wait
+
 # Cleanup.
 find "$base_dir" -iname "*.pyc" -delete || true