diff --git a/raven/conf/defaults.py b/raven/conf/defaults.py
index 073e01a..32c81b8 100644
--- a/raven/conf/defaults.py
+++ b/raven/conf/defaults.py
@@ -47,4 +47,4 @@ try:
     import certifi
     CA_BUNDLE = certifi.where()
 except ImportError:
-    CA_BUNDLE = os.path.join(ROOT, 'data', 'cacert.pem')
+    CA_BUNDLE = '/etc/pki/tls/certs/ca-bundle.crt'