diff --git a/src/atmel/SAME54_DFP/1.1.134/include/same54p20a.h b/src/atmel/SAME54_DFP/1.1.134/include/same54p20a.h
index 23e4ea64..bd7b3640 100644
--- a/src/atmel/SAME54_DFP/1.1.134/include/same54p20a.h
+++ b/src/atmel/SAME54_DFP/1.1.134/include/same54p20a.h
@@ -457,9 +457,9 @@ void EVSYS_3_Handler             ( void );
 void EVSYS_4_Handler             ( void );
 void PAC_Handler                 ( void );
 void RAMECC_Handler              ( void );
-void SERCOM0_0_Handler           ( void );
-void SERCOM0_1_Handler           ( void );
-void SERCOM0_2_Handler           ( void );
+void SERCOM0_0_Handler           ( void ) noexcept;
+void SERCOM0_1_Handler           ( void ) noexcept;
+void SERCOM0_2_Handler           ( void ) noexcept;
 void SERCOM0_3_Handler           ( void ) noexcept;
 void SERCOM1_0_Handler           ( void ) noexcept;
 void SERCOM1_1_Handler           ( void ) noexcept;
@@ -481,14 +481,14 @@ void SERCOM5_0_Handler           ( void ) noexcept;
 void SERCOM5_1_Handler           ( void ) noexcept;
 void SERCOM5_2_Handler           ( void ) noexcept;
 void SERCOM5_3_Handler           ( void ) noexcept;
-void SERCOM6_0_Handler           ( void );
-void SERCOM6_1_Handler           ( void );
-void SERCOM6_2_Handler           ( void );
-void SERCOM6_3_Handler           ( void );
-void SERCOM7_0_Handler           ( void );
-void SERCOM7_1_Handler           ( void );
-void SERCOM7_2_Handler           ( void );
-void SERCOM7_3_Handler           ( void );
+void SERCOM6_0_Handler           ( void ) noexcept;
+void SERCOM6_1_Handler           ( void ) noexcept;
+void SERCOM6_2_Handler           ( void ) noexcept;
+void SERCOM6_3_Handler           ( void ) noexcept;
+void SERCOM7_0_Handler           ( void ) noexcept;
+void SERCOM7_1_Handler           ( void ) noexcept;
+void SERCOM7_2_Handler           ( void ) noexcept;
+void SERCOM7_3_Handler           ( void ) noexcept;
 void CAN0_Handler                ( void ) noexcept;
 void CAN1_Handler                ( void ) noexcept;
 void USB_0_Handler               ( void );