diff --git a/backend/api/endpoints/settings.py b/backend/api/endpoints/settings.py
index 6982fb2..ece3ded 100644
--- a/backend/api/endpoints/settings.py
+++ b/backend/api/endpoints/settings.py
@@ -23,11 +23,17 @@ async def update_ytdlp(background_tasks: BackgroundTasks):
     try:
         # Run pip install to upgrade yt-dlp to master
         logger.info("Starting yt-dlp update...")
+        
+        # Force PyPI index via environment variable to override global config
+        env = os.environ.copy()
+        env["PIP_INDEX_URL"] = "https://pypi.org/simple"
+        
         process = subprocess.run(
-            [sys.executable, "-m", "pip", "install", "--upgrade", "--force-reinstall", "--index-url", "https://pypi.org/simple", "git+https://github.com/yt-dlp/yt-dlp.git@master"],
+            [sys.executable, "-m", "pip", "install", "--upgrade", "--force-reinstall", "git+https://github.com/yt-dlp/yt-dlp.git@master"],
             capture_output=True,
             text=True,
-            check=True
+            check=True,
+            env=env
         )
         logger.info(f"Update Output: {process.stdout}")
         
@@ -46,11 +52,17 @@ async def update_ytdlp(background_tasks: BackgroundTasks):
 async def update_spotdl(background_tasks: BackgroundTasks):
     try:
         logger.info("Starting spotdl update...")
+        
+        # Force PyPI index via environment variable
+        env = os.environ.copy()
+        env["PIP_INDEX_URL"] = "https://pypi.org/simple"
+        
         process = subprocess.run(
-            [sys.executable, "-m", "pip", "install", "--upgrade", "--index-url", "https://pypi.org/simple", "spotdl"],
+            [sys.executable, "-m", "pip", "install", "--upgrade", "spotdl"],
             capture_output=True,
             text=True,
-            check=True
+            check=True,
+            env=env
         )
         logger.info(f"Update Output: {process.stdout}")