diff --git a/summon-arm-toolchain b/summon-arm-toolchain
index 1dbde8e..c546703 100755
--- a/summon-arm-toolchain
+++ b/summon-arm-toolchain
@@ -143,7 +143,7 @@ NEWLIB=newlib-2.0.0
 OOCD=openocd-0.6.1
 OOCD_GIT=
 LIBCMSIS=
-LIBCMSIS_GIT=v1.10-3
+LIBCMSIS_GIT=v1.10-4
 LIBSTM32=
 LIBSTM32_GIT=v3.0.0-2
 LIBSTM32USB=