diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index 2655165..00383f8 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -25,9 +25,9 @@
 /**
  * Minimum recommended value of PHP memory_limit.
  *
- * @todo This is a temporary minima pending https://www.drupal.org/node/2289201
+ * @todo This is a temporary minimum pending https://www.drupal.org/node/2289201
  */
-const DRUPAL_MINIMUM_PHP_MEMORY_LIMIT = '128M';
+const DRUPAL_MINIMUM_PHP_MEMORY_LIMIT = '64M';
 
 /**
  * Error reporting level: display no errors.
diff --git a/core/modules/simpletest/simpletest.install b/core/modules/simpletest/simpletest.install
index 8d63d7b..4682551 100644
--- a/core/modules/simpletest/simpletest.install
+++ b/core/modules/simpletest/simpletest.install
@@ -10,8 +10,10 @@
 
 /**
  * Minimum value of PHP memory_limit for SimpleTest.
+ *
+ * @todo This is a temporary minimum pending https://www.drupal.org/node/2289201 and https://www.drupal.org/node/697760
  */
-const SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT = '64M';
+const SIMPLETEST_MINIMUM_PHP_MEMORY_LIMIT = '256M';
 
 /**
  * Implements hook_requirements().