diff --git a/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Include/max32665.h b/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Include/max32665.h
index c00d13d744bde2bef74a6bf039ee8b8b88c8efb4..d6ce94c482f92c64954133495c7e9c51433c7be5 100644
--- a/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Include/max32665.h
+++ b/lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Include/max32665.h
@@ -533,7 +533,7 @@ typedef enum {
 #define MXC_USBHS                       ((mxc_usbhs_regs_t*)MXC_BASE_USBHS)
 #define MXC_USBHS_NUM_EP                12 /* HW must have at least EP 0 CONTROL + 11 IN/OUT */
 #define MXC_USBHS_NUM_DMA                8 /* HW must have at least this many DMA channels */
-#define MXC_USBHS_MAX_PACKET            512
+#define MXC_USBHS_MAX_PACKET            64
 
 /******************************************************************************/
 /*                                                                  Smart DMA */