diff --git a/bsp/stm32h750vb/MDK-ARM/stm32h750vb.uvprojx b/bsp/stm32h750vb/MDK-ARM/stm32h750vb.uvprojx
index a578d8d7a..74f0801e6 100644
--- a/bsp/stm32h750vb/MDK-ARM/stm32h750vb.uvprojx
+++ b/bsp/stm32h750vb/MDK-ARM/stm32h750vb.uvprojx
@@ -314,7 +314,7 @@
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
-            <Optim>6</Optim>
+            <Optim>1</Optim>
             <oTime>0</oTime>
             <SplitLS>0</SplitLS>
             <OneElfS>1</OneElfS>
@@ -333,7 +333,7 @@
             <v6LangP>3</v6LangP>
             <vShortEn>1</vShortEn>
             <vShortWch>1</vShortWch>
-            <v6Lto>1</v6Lto>
+            <v6Lto>0</v6Lto>
             <v6WtE>0</v6WtE>
             <v6Rtti>0</v6Rtti>
             <VariousControls>
@@ -726,8 +726,8 @@
   <RTE>
     <apis/>
     <components>
-      <component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="5.5.0" condition="ARMv6_7_8-M Device">
-        <package name="CMSIS" schemaVersion="1.3" url="http://www.keil.com/pack/" vendor="ARM" version="5.8.0"/>
+      <component Cclass="CMSIS" Cgroup="CORE" Cvendor="ARM" Cversion="5.6.0" condition="ARMv6_7_8-M Device">
+        <package name="CMSIS" schemaVersion="1.7.7" url="http://www.keil.com/pack/" vendor="ARM" version="5.9.0"/>
         <targetInfos>
           <targetInfo name="stm32h750vb"/>
         </targetInfos>