diff --git a/build/scripts/tests.gant b/build/scripts/tests.gant
index 35b0b19f6314..9fc565ee0e1c 100644
--- a/build/scripts/tests.gant
+++ b/build/scripts/tests.gant
@@ -6,8 +6,8 @@ setProperty("testcases", ["com.intellij.AllTests"])
 
 def isMac = System.getProperty("os.name").toLowerCase().startsWith("mac")
 def args = [
-        "-Xmx350m",
-        "-XX:MaxPermSize=320m",
+        "-Xmx450m",
+        "-XX:MaxPermSize=430m",
 ]
 if (isMac) args << "-d32";
 
diff --git a/build/scripts/utils.gant b/build/scripts/utils.gant
index a4c9389a4510..e47cb847ab0d 100644
--- a/build/scripts/utils.gant
+++ b/build/scripts/utils.gant
@@ -52,8 +52,8 @@ binding.setVariable("isEap", {
   return "true" == p("component.version.eap")
 })
 
-binding.setVariable("mem32", "-Xms128m -Xmx512m -XX:MaxPermSize=250m -XX:ReservedCodeCacheSize=64m -XX:+UseCodeCacheFlushing")
-binding.setVariable("mem64", "-Xms128m -Xmx800m -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=64m -XX:+UseCodeCacheFlushing")
+binding.setVariable("mem32", "-Xms128m -Xmx512m -XX:MaxPermSize=430m -XX:ReservedCodeCacheSize=64m -XX:+UseCodeCacheFlushing")
+binding.setVariable("mem64", "-Xms128m -Xmx800m -XX:MaxPermSize=430m -XX:ReservedCodeCacheSize=64m -XX:+UseCodeCacheFlushing")
 binding.setVariable("common_vmoptions", "-ea")
 
 binding.setVariable("vmOptions", { "$common_vmoptions ${isEap() ? '-XX:+HeapDumpOnOutOfMemoryError' : ''}".trim() })