diff --git a/.github/actions/pio-build/README.md b/.github/actions/pio-build/README.md
index a28229d687..e4e709af6e 100644
--- a/.github/actions/pio-build/README.md
+++ b/.github/actions/pio-build/README.md
@@ -2,12 +2,6 @@
 
 This action build thanks PIO.
 
-## Inputs
-
-### `cmsis-version`
-
-The CMSIS version to use. Default `"5.9.0"`.
-
 ## Example usage
 
 ```yaml
diff --git a/.github/actions/pio-build/action.yml b/.github/actions/pio-build/action.yml
index 5a4cedd9e0..df5a96a64a 100644
--- a/.github/actions/pio-build/action.yml
+++ b/.github/actions/pio-build/action.yml
@@ -1,12 +1,6 @@
 # action.yml
 name: 'PlatformIO Build'
 description: 'Compile using PlatformIO'
-inputs:
-  cmsis-version:
-    description: 'CMSIS package version to use'
-    default: '5.9.0'
 runs:
   using: 'docker'
   image: 'Dockerfile'
-  args:
-    - ${{ inputs.cmsis-version }}
diff --git a/.github/actions/pio-build/entrypoint.sh b/.github/actions/pio-build/entrypoint.sh
index d090676cd5..42aaa01759 100755
--- a/.github/actions/pio-build/entrypoint.sh
+++ b/.github/actions/pio-build/entrypoint.sh
@@ -1,8 +1,5 @@
 #!/bin/sh
 
-readonly CMSIS_VERSION="$1"
-readonly CMSIS_ARCHIVE="CMSIS-${CMSIS_VERSION}.tar.bz2"
-
 # Use python venv
 python3 -m venv "$HOME/venv"
 # shellcheck disable=SC1091
@@ -11,24 +8,18 @@ python3 -m venv "$HOME/venv"
 python3 -m pip install --quiet --upgrade platformio
 
 # Install the development version of ststm32 platform
-platformio platform install "https://github.com/platformio/platform-ststm32.git" || {
+pio pkg install --platform "https://github.com/platformio/platform-ststm32.git" --force --global || {
   exit 1
 }
 # Prepare framework for CI
+# Modify platform.json to use local framework-arduinoststm32 package
 python3 -c "import json; import os; fp=open(os.path.expanduser('~/.platformio/platforms/ststm32/platform.json'), 'r+'); data=json.load(fp); data['packages']['framework-arduinoststm32']['version'] = '*'; del data['packages']['framework-arduinoststm32']['owner']; fp.seek(0); fp.truncate(); json.dump(data, fp); fp.close()" || {
   exit 1
 }
-
+# Create symbolic link to the framework-arduinoststm32 package pointing to the repository workspace
 ln --symbolic "$GITHUB_WORKSPACE" "$HOME/.platformio/packages/framework-arduinoststm32" || {
   exit 1
 }
-# Download and unpack CMSIS package
-wget --no-verbose "https://github.com/stm32duino/ArduinoModule-CMSIS/releases/download/$CMSIS_VERSION/$CMSIS_ARCHIVE" || {
-  exit 1
-}
-tar --extract --bzip2 --file="$CMSIS_ARCHIVE" || {
-  exit 1
-}
 cd "$GITHUB_WORKSPACE/CI/build/" || {
   exit 1
 }