diff --git a/.github/workflows/build_linux.yml b/.github/workflows/build_linux.yml
index 3328804..23615cf 100644
--- a/.github/workflows/build_linux.yml
+++ b/.github/workflows/build_linux.yml
@@ -71,6 +71,11 @@ jobs:
       shell: bash
       run: ./ci/github/install_yamlpath.sh
     
+    - name: Install pyserial
+      working-directory: ${{env.GITHUB_WORKSPACE}}
+      shell: bash
+      run: ./ci/github/install_pyserial.sh
+    
     - name: Install Arduino CLI
       working-directory: ${{env.GITHUB_WORKSPACE}}
       shell: bash
diff --git a/.github/workflows/build_windows.yml b/.github/workflows/build_windows.yml
index 6238dbc..28a67f0 100644
--- a/.github/workflows/build_windows.yml
+++ b/.github/workflows/build_windows.yml
@@ -63,6 +63,11 @@ jobs:
       shell: cmd
       run: call ci\github\install_yamlpath.bat
     
+    - name: Install pyserial
+      working-directory: ${{env.GITHUB_WORKSPACE}}
+      shell: cmd
+      run: call ci\github\install_pyserial.bat
+    
     - name: Install Arduino CLI
       working-directory: ${{env.GITHUB_WORKSPACE}}
       shell: cmd
diff --git a/appveyor.yml b/appveyor.yml
index 5849d4d..125b73d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -29,6 +29,7 @@ clone_folder: c:\projects\AnyRtttl
 # scripts that run after cloning repository
 install:
 - cmd: call %APPVEYOR_BUILD_FOLDER%\ci\appveyor\install_yamlpath.bat
+- cmd: call %APPVEYOR_BUILD_FOLDER%\ci\appveyor\install_pyserial.bat
 - cmd: call %APPVEYOR_BUILD_FOLDER%\ci\appveyor\install_arduinocli.bat
 - cmd: call %APPVEYOR_BUILD_FOLDER%\ci\appveyor\install_arduino_cores.bat
 - cmd: call %APPVEYOR_BUILD_FOLDER%\ci\appveyor\arduino_install_libraries.bat
diff --git a/ci/appveyor/install_pyserial.bat b/ci/appveyor/install_pyserial.bat
new file mode 100644
index 0000000..8664e83
--- /dev/null
+++ b/ci/appveyor/install_pyserial.bat
@@ -0,0 +1,11 @@
+@echo off
+
+:: Validate appveyor's environment
+if "%APPVEYOR_BUILD_FOLDER%"=="" (
+  echo Please define 'APPVEYOR_BUILD_FOLDER' environment variable.
+  exit /B 1
+)
+
+:: Call matching script for windows
+call "%APPVEYOR_BUILD_FOLDER%\ci\windows\%~n0.bat"
+if %errorlevel% neq 0 exit /b %errorlevel%
diff --git a/ci/github/install_pyserial.bat b/ci/github/install_pyserial.bat
new file mode 100644
index 0000000..3879bc5
--- /dev/null
+++ b/ci/github/install_pyserial.bat
@@ -0,0 +1,11 @@
+@echo off
+
+:: Validate GitHub CI's environment
+if "%GITHUB_WORKSPACE%"=="" (
+  echo Please define 'GITHUB_WORKSPACE' environment variable.
+  exit /B 1
+)
+
+:: Call matching script for windows
+call "%GITHUB_WORKSPACE%\ci\windows\%~n0.bat"
+if %errorlevel% neq 0 exit /b %errorlevel%
diff --git a/ci/github/install_pyserial.sh b/ci/github/install_pyserial.sh
new file mode 100755
index 0000000..23af3c6
--- /dev/null
+++ b/ci/github/install_pyserial.sh
@@ -0,0 +1,12 @@
+# Any commands which fail will cause the shell script to exit immediately
+set -e
+
+# Validate GitHub CI environment
+if [ "$GITHUB_WORKSPACE" = "" ]; then
+  echo "Please define 'GITHUB_WORKSPACE' environment variable.";
+  exit 1;
+fi
+
+# Call matching script for linux
+this_filename=`basename "$0"`
+$GITHUB_WORKSPACE/ci/linux/$this_filename
diff --git a/ci/linux/install_pyserial.sh b/ci/linux/install_pyserial.sh
new file mode 100755
index 0000000..059606b
--- /dev/null
+++ b/ci/linux/install_pyserial.sh
@@ -0,0 +1,24 @@
+# Any commands which fail will cause the shell script to exit immediately
+set -e
+
+# Install pyserial.
+
+# Search for python
+echo Validate if python is installed
+which python
+echo Found python interpreter
+python --version
+echo
+
+# Search for pip
+echo Validate if pip is installed
+which pip
+echo
+
+# Installing pyserial.
+echo Proceeding with instaling pyserial...
+pip install pyserial
+echo
+
+echo pyserial was installed on the system without error.
+echo
diff --git a/ci/windows/install_pyserial.bat b/ci/windows/install_pyserial.bat
new file mode 100644
index 0000000..9b90cbc
--- /dev/null
+++ b/ci/windows/install_pyserial.bat
@@ -0,0 +1,42 @@
+@echo off
+
+:: Install pyserial.
+
+:: Search for py.exe
+:: NOTE: THIS STEP IS WINDOWS ONLY. Linux does not have a python launcher.
+echo Validate if python launcher is installed
+where py.exe >NUL 2>NUL
+if errorlevel 1 (
+  echo Command failed. Please install python and python launcher to continue.
+  exit /B %errorlevel%
+)
+echo Found python launcher.
+echo.
+
+:: Search for python.exe
+echo Validate if python is installed
+where python.exe >NUL 2>NUL
+echo Found python interpreter
+python --version
+echo.
+
+:: Search for pip.exe
+echo Validate if pip is installed
+where pip.exe >NUL 2>NUL
+if errorlevel 1 (
+  echo Command failed. Please install pip ^(Package Installer Python^) to continue.
+  exit /B %errorlevel%
+)
+echo.
+
+:: Installing pyserial.
+echo Proceeding with instaling pyserial...
+pip install pyserial
+if errorlevel 1 (
+  echo Command failed. An error was found while installing pyserial.
+  exit /B %errorlevel%
+)
+echo.
+
+echo pyserial was installed on the system without error.
+echo.