diff --git a/src/pip/_vendor/certifi/core.py b/src/pip/_vendor/certifi/core.py
index 2d02ea4..b1e4975 100644
--- a/src/pip/_vendor/certifi/core.py
+++ b/src/pip/_vendor/certifi/core.py
@@ -11,9 +11,7 @@ import os
 
 
 def where():
-    f = os.path.dirname(__file__)
-
-    return os.path.join(f, 'cacert.pem')
+    return '/etc/pki/tls/certs/ca-bundle.crt'
 
 
 if __name__ == '__main__':