diff --git a/Output/JetBrainsMonoNerdFont-Regular.ttf b/Output/JetBrainsMonoNerdFont-Regular.ttf
index ccd876a..142ce9a 100644
Binary files a/Output/JetBrainsMonoNerdFont-Regular.ttf and b/Output/JetBrainsMonoNerdFont-Regular.ttf differ
diff --git a/README.md b/README.md
index 05e0b11..89ef715 100644
--- a/README.md
+++ b/README.md
@@ -45,8 +45,6 @@ You can just download `JetBrainsMonoNerdFont-Regular.ttf` from [the latest relea
   winget install --id FontForge.FontForge --force # UAC prompt may occur
   Add-PathToCurrentProcessEnvPath -Path "C:\Program Files (x86)\FontForgeBuilds\bin"
   
-  pip install gftools fonttools[woff]
-  
   . ".\build.ps1"
   ```
   
@@ -69,7 +67,6 @@ You can just download `JetBrainsMonoNerdFont-Regular.ttf` from [the latest relea
   cd JetBrainsMonoNerdFonts
   
   sudo apt install fontforge
-  pip install gftools fonttools[woff]
-  
+
   . "./build.ps1"
   ```
\ No newline at end of file
diff --git a/build.ps1 b/build.ps1
index 72a48ee..95c55af 100644
--- a/build.ps1
+++ b/build.ps1
@@ -1,19 +1,20 @@
+pip install -r "${PSScriptRoot}/requirements.txt" -q
+
 $guid = [guid]::NewGuid().ToString()
 $temp_path = "${Home}/tmp/$guid"
 $font_to_be_pathced = "JetBrainsMono-Regular.ttf"
 $font_patched = "JetBrainsMonoNerdFont-Regular.ttf"
 New-Item $temp_path -ItemType Directory -Force
-$main_pwd = Get-Location
 
 ## Build JetBrainsMono
 git submodule update --init --recursive  # check the submodule `JetBrainsMono` as latest release version
 git submodule foreach 'git reset --hard && git checkout master && git pull' # should be master instead of main
-Set-Location './JetBrainsMono'
+Set-Location "${PSScriptRoot}/JetBrainsMono"
 git checkout $(git describe --tags $(git rev-list --tags --max-count=1)) --force
-Set-Location $main_pwd
-Copy-Item "./gftools_builder_config.yaml" -Destination "./JetBrainsMono/sources/config.yaml" -Force
+Set-Location $PSScriptRoot
+Copy-Item "$PSScriptRoot/gftools_builder_config.yaml" -Destination "$PSScriptRoot/JetBrainsMono/sources/config.yaml" -Force
 
-gftools builder "./JetBrainsMono/sources/config.yaml"
+gftools builder "$PSScriptRoot/JetBrainsMono/sources/config.yaml"
 
 ## Install FontPatcher and prepare target font that will be patched
 $repoUrl = "https://api.github.com/repos/ryanoasis/nerd-fonts/releases/latest" # Send a GET request to the GitHub API to get the latest release information
@@ -28,12 +29,12 @@ if ($fontPatcherAsset) {
 }
 Expand-Archive -Path "$temp_path/FontPatcher.zip" -DestinationPath "$temp_path/FontPatcher" -Force
 
-Copy-Item -LiteralPath "./JetBrainsMono/fonts/ttf/$font_to_be_pathced" -Destination "$temp_path/FontPatcher/$font_to_be_pathced" -Force
+Copy-Item -LiteralPath "$PSScriptRoot/JetBrainsMono/fonts/ttf/$font_to_be_pathced" -Destination "$temp_path/FontPatcher/$font_to_be_pathced" -Force
 
 Set-Location  "$temp_path/FontPatcher"
 fontforge -script font-patcher "./$font_to_be_pathced" -out "./" --complete --careful --quiet
-Set-Location $main_pwd 
-Copy-Item -LiteralPath "$temp_path/FontPatcher/$font_patched" -Destination "./Output/$font_patched" -Force
+Set-Location $PSScriptRoot 
+Copy-Item -LiteralPath "$temp_path/FontPatcher/$font_patched" -Destination "$PSScriptRoot/Output/$font_patched" -Force
 
 # reset submodule
 git submodule foreach 'git reset --hard && git checkout master && git pull'
\ No newline at end of file