diff --git a/testing/memtester/Kconfig b/testing/memtester/Kconfig
index 98c6c4cff..ecfdaefb9 100644
--- a/testing/memtester/Kconfig
+++ b/testing/memtester/Kconfig
@@ -19,7 +19,7 @@ config UTILS_MEMTESTER_STACKSIZE
 
 config UTILS_MEMTESTER_PRIORITY
 	int "Task PRIORITY"
-	default 100
+	default 90
 
 config UTILS_MEMTESTER_NARROW
 	bool "TEST_NARROW"
diff --git a/testing/ramtest/Kconfig b/testing/ramtest/Kconfig
index 4846e06cc..a8d4a5fe9 100644
--- a/testing/ramtest/Kconfig
+++ b/testing/ramtest/Kconfig
@@ -20,7 +20,7 @@ config TESTING_RAMTEST_PROGNAME
 
 config TESTING_RAMTEST_PRIORITY
 	int "RAM test task priority"
-	default 100
+	default 90
 
 config TESTING_RAMTEST_STACKSIZE
 	int "RAM test stack size"