diff --git a/backend/app/pypi_proxy.py b/backend/app/pypi_proxy.py
index 5582fe0..54bd59e 100644
--- a/backend/app/pypi_proxy.py
+++ b/backend/app/pypi_proxy.py
@@ -528,7 +528,7 @@ def _cache_dependency_background(
         simple_url = f"{base_url}/pypi/simple/{normalized_name}/"
         logger.info(f"PyPI proxy: proactively caching {dep_name} (depth={depth})")
 
-        with httpx.Client(timeout=30.0) as client:
+        with httpx.Client(timeout=30.0, follow_redirects=True) as client:
             response = client.get(simple_url)
             if response.status_code != 200:
                 logger.warning(f"PyPI proxy: failed to get index for {dep_name}: {response.status_code}")