diff --git a/src/scripts/tools/add_tools.ps1 b/src/scripts/tools/add_tools.ps1
index b117d3497..a3eb4add2 100644
--- a/src/scripts/tools/add_tools.ps1
+++ b/src/scripts/tools/add_tools.ps1
@@ -23,6 +23,9 @@ Function Edit-ComposerConfig() {
   if (-not(Test-Path $composer_json)) {
     Set-Content -Path $composer_json -Value "{}"
   }
+  if ($env:COMPOSER_PROCESS_TIMEOUT) {
+    (Get-Content $src\configs\composer.env -Raw) -replace '(?m)^COMPOSER_PROCESS_TIMEOUT=.*$', "COMPOSER_PROCESS_TIMEOUT=$env:COMPOSER_PROCESS_TIMEOUT" | Set-Content $src\configs\composer.env
+  }
   Add-EnvPATH $src\configs\composer.env
   Add-Path $composer_bin
   Set-ComposerAuth
diff --git a/src/scripts/tools/add_tools.sh b/src/scripts/tools/add_tools.sh
index 0ffbba51d..549bcd0cf 100644
--- a/src/scripts/tools/add_tools.sh
+++ b/src/scripts/tools/add_tools.sh
@@ -42,7 +42,11 @@ configure_composer() {
     echo '{}' | tee "$composer_json" >/dev/null
     chmod 644 "$composer_json"
   fi
-  add_env_path "${src:?}"/configs/composer.env
+  [ -n "$COMPOSER_PROCESS_TIMEOUT" ] && (
+    sed -i "s/COMPOSER_PROCESS_TIMEOUT.*/COMPOSER_PROCESS_TIMEOUT=$COMPOSER_PROCESS_TIMEOUT/" "${src:?}"/configs/composer.env ||
+    sed -i '' "s/COMPOSER_PROCESS_TIMEOUT.*/COMPOSER_PROCESS_TIMEOUT=$COMPOSER_PROCESS_TIMEOUT/" "$src"/configs/composer.env
+  )
+  add_env_path "$src"/configs/composer.env
   add_path "$composer_bin"
   set_composer_auth
 }