diff --git a/src/runtime/link.x b/src/runtime/link.x
index cb1a9f7..615d2ed 100644
--- a/src/runtime/link.x
+++ b/src/runtime/link.x
@@ -59,21 +59,21 @@ SECTIONS
     .heap (NOLOAD) : ALIGN(8)
     {
         __heap_start = .;
-        . += 0x8000000;
+        . += 0x1000000;
         __heap_end = .;
     } > SDRAM
 
     .stack1 (NOLOAD) : ALIGN(8)
     {
         __stack1_end = .;
-        . += 0x8000000;
+        . += 0x1000000;
         __stack1_start = .;
     } > SDRAM
 
     .stack0 (NOLOAD) : ALIGN(8)
     {
         __stack0_end = .;
-        . += 0x10000;
+        . += 0x20000;
         __stack0_start = .;
     } > SDRAM
 }