diff --git a/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Source/GCC/startup_max32665.S b/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Source/GCC/startup_max32665.S
index 8022b65feda2c578a1c37b9a85b17e7159b53d4e..12e84032551687adb2ab4ffd07582b5789381ba9 100644
--- a/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Source/GCC/startup_max32665.S
+++ b/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Source/GCC/startup_max32665.S
@@ -67,7 +67,7 @@
 #ifdef __STACK_SIZE
     .equ    Stack_Size, __STACK_SIZE
 #else
-    .equ    Stack_Size, 0x00001000
+    .equ    Stack_Size, 0x00004000
 #endif
     .globl    __StackTop
     .globl    __StackLimit