diff --git a/attachment/repos/dart.patch4 b/attachment/repos/dart.patch4
index 382f7c882885be5556fe92f204e368be058862ec..542807af682e7f17942b3759cf6db1c48b4ded58 100644
--- a/attachment/repos/dart.patch4
+++ b/attachment/repos/dart.patch4
@@ -33,7 +33,7 @@ index 13e31d6a68a..d981485efe3 100644
  // image pages, whose address is choosen by the system loader rather than the
  // Dart VM.
 -static constexpr intptr_t kPageSize = 512 * KB;
-+static constexpr intptr_t kPageSize = 1024 * KB;
++static constexpr intptr_t kPageSize = 4 * 1024 * KB;
  static constexpr intptr_t kPageSizeInWords = kPageSize / kWordSize;
  static constexpr intptr_t kPageMask = ~(kPageSize - 1);
  
@@ -46,7 +46,7 @@ index 9f04c8e21a4..3814ccb1e19 100644
  class Scavenger {
   private:
 -  static const intptr_t kTLABSize = 512 * KB;
-+  static const intptr_t kTLABSize = 1024 * KB;
++  static const intptr_t kTLABSize = 4 * 1024 * KB;
  
   public:
    Scavenger(Heap* heap, intptr_t max_semi_capacity_in_words);