diff --git a/iosApp/run_ui_tests.sh b/iosApp/run_ui_tests.sh
index 34496b5..b3ea7e1 100755
--- a/iosApp/run_ui_tests.sh
+++ b/iosApp/run_ui_tests.sh
@@ -34,10 +34,10 @@ SCHEME="HoneyDueUITests"
 API_SCHEME="HoneyDueAPITests"
 TARGET="HoneyDueUITests"
 DESTINATION="platform=iOS Simulator,name=iPhone 17 Pro"
-# Data isolation removed cross-suite races, but each test now relaunches the
-# app + creates an account, so the bottleneck is CPU/simulator. 4 is the reliable
-# sweet spot on a Mac mini (8 thrashed the simulators -> UI timeouts). Override via arg 2.
-WORKERS=4
+# Workers. Bottleneck is CPU/simulator (each test relaunches the app). Token
+# injection removed the CPU-heavy UI login, so 6 is now reliable (validated: 0
+# failures on the heaviest suites; 8 still thrashes). Override via arg 2.
+WORKERS=6
 
 # Suites that run in their own phases — excluded from the parallel phase.
 PHASE_MANAGED=(