diff --git a/src/StaticPHP/Config/ConfigValidator.php b/src/StaticPHP/Config/ConfigValidator.php
index 256e47fd..919de86d 100644
--- a/src/StaticPHP/Config/ConfigValidator.php
+++ b/src/StaticPHP/Config/ConfigValidator.php
@@ -40,6 +40,9 @@ class ConfigValidator
         'static-libs' => ConfigType::LIST_ARRAY, // @
         'pkg-configs' => ConfigType::LIST_ARRAY,
         'static-bins' => ConfigType::LIST_ARRAY, // @
+        'path' => ConfigType::LIST_ARRAY, // @
+        'env' => ConfigType::ASSOC_ARRAY, // @
+        'append-env' => ConfigType::ASSOC_ARRAY, // @
     ];
 
     public const array PACKAGE_FIELDS = [
@@ -60,6 +63,9 @@ class ConfigValidator
         'static-libs' => false, // @
         'pkg-configs' => false,
         'static-bins' => false, // @
+        'path' => false, // @
+        'env' => false, // @
+        'append-env' => false, // @
     ];
 
     public const array SUFFIX_ALLOWED_FIELDS = [
@@ -68,6 +74,9 @@ class ConfigValidator
         'headers',
         'static-libs',
         'static-bins',
+        'path',
+        'env',
+        'append-env',
     ];
 
     public const array PHP_EXTENSION_FIELDS = [
diff --git a/src/StaticPHP/Package/PackageInstaller.php b/src/StaticPHP/Package/PackageInstaller.php
index d8d745f6..417c4e1b 100644
--- a/src/StaticPHP/Package/PackageInstaller.php
+++ b/src/StaticPHP/Package/PackageInstaller.php
@@ -9,6 +9,7 @@ use StaticPHP\Artifact\ArtifactCache;
 use StaticPHP\Artifact\ArtifactDownloader;
 use StaticPHP\Artifact\ArtifactExtractor;
 use StaticPHP\Artifact\DownloaderOptions;
+use StaticPHP\Config\PackageConfig;
 use StaticPHP\DI\ApplicationContext;
 use StaticPHP\Exception\WrongUsageException;
 use StaticPHP\Registry\PackageLoader;
@@ -580,6 +581,30 @@ class PackageInstaller
         foreach ($resolved_packages as $pkg_name) {
             $this->packages[$pkg_name] = PackageLoader::getPackage($pkg_name);
         }
+
+        foreach ($this->packages as $package) {
+            $this->injectPackageEnvs($package);
+        }
+    }
+
+    private function injectPackageEnvs(Package $package): void
+    {
+        $name = $package->getName();
+
+        $paths = PackageConfig::get($name, 'path', []);
+        foreach ($paths as $path) {
+            GlobalEnvManager::addPathIfNotExists(FileSystem::replacePathVariable($path));
+        }
+
+        $envs = PackageConfig::get($name, 'env', []);
+        foreach ($envs as $k => $v) {
+            GlobalEnvManager::putenv("{$k}=" . FileSystem::replacePathVariable((string) $v));
+        }
+
+        $append_envs = PackageConfig::get($name, 'append-env', []);
+        foreach ($append_envs as $k => $v) {
+            GlobalEnvManager::appendEnv($k, FileSystem::replacePathVariable((string) $v));
+        }
     }
 
     private function handlePhpTargetPackage(TargetPackage $package): void
diff --git a/src/StaticPHP/Util/GlobalEnvManager.php b/src/StaticPHP/Util/GlobalEnvManager.php
index 86fcc652..5b4b16b2 100644
--- a/src/StaticPHP/Util/GlobalEnvManager.php
+++ b/src/StaticPHP/Util/GlobalEnvManager.php
@@ -112,6 +112,17 @@ class GlobalEnvManager
         }
     }
 
+    public static function appendEnv(string $key, string $value): void
+    {
+        $existing = getenv($key);
+        if ($existing !== false && $existing !== '') {
+            $separator = SystemTarget::isUnix() ? ':' : ';';
+            self::putenv("{$key}={$value}{$separator}{$existing}");
+        } else {
+            self::putenv("{$key}={$value}");
+        }
+    }
+
     /**
      * Initialize the toolchain after the environment variables are set.
      * The toolchain or environment availability check is done here.