diff --git a/.travis.yml b/.travis.yml
index f4a32213b9..9abe84795b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,7 @@ matrix:
 #
   - env:
       - NAME=arduinoCI
-      - IDE_VERSION=1.8.8
+      - IDE_VERSION=1.8.9
     # Use in CI/build/conf/path_config_travis.json
       - ARDUINO_IDE_PATH=$HOME/IDE/arduino
     install:
diff --git a/platform.txt b/platform.txt
index 752c91bec3..c0ee549863 100644
--- a/platform.txt
+++ b/platform.txt
@@ -17,7 +17,7 @@ compiler.warning_flags.default=
 compiler.warning_flags.more=-Wall
 compiler.warning_flags.all=-Wall -Wextra
 
-compiler.path={runtime.tools.arm-none-eabi-gcc-6-2017-q2-update.path}/bin/
+compiler.path={runtime.tools.arm-none-eabi-gcc-8-2018-q4-major.path}/bin/
 
 compiler.S.cmd=arm-none-eabi-gcc
 compiler.c.cmd=arm-none-eabi-gcc
@@ -62,8 +62,8 @@ compiler.ar.extra_flags=
 compiler.elf2bin.extra_flags=
 compiler.elf2hex.extra_flags=
 
-compiler.arm.cmsis.c.flags="-I{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Core/Include/" "-I{build.system.path}/Drivers/CMSIS/Device/ST/{build.series}/Include/" "-I{build.system.path}/Drivers/CMSIS/Device/ST/{build.series}/Source/Templates/gcc/"
-compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.4.0.path}/CMSIS/Lib/GCC/" -l{build.cmsis_lib_gcc}
+compiler.arm.cmsis.c.flags="-I{runtime.tools.CMSIS-5.5.1.path}/CMSIS/Core/Include/" "-I{build.system.path}/Drivers/CMSIS/Device/ST/{build.series}/Include/" "-I{build.system.path}/Drivers/CMSIS/Device/ST/{build.series}/Source/Templates/gcc/"
+compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-5.5.1.path}/CMSIS/DSP/Lib/GCC/" -l{build.cmsis_lib_gcc}
 
 # USB Flags
 # ---------