diff --git a/stm-firmware/stm32f407vet6_flash.ld b/stm-firmware/stm32f407vet6_flash.ld
index e0c17c3..f0ac56e 100644
--- a/stm-firmware/stm32f407vet6_flash.ld
+++ b/stm-firmware/stm32f407vet6_flash.ld
@@ -24,7 +24,7 @@
 
 /* USER PARAMETERS */
 __ld_stack_size = 0x3500;
-__ld_heap_size  = 0x4500;
+__ld_heap_size  = 0x5000;
 __stack_corruption_area_size = 128;
 
 /* END OF USER PARAMETERS */