diff --git a/osc/oscssl.py b/osc/oscssl.py
index 70906140..7ae52c32 100644
--- a/osc/oscssl.py
+++ b/osc/oscssl.py
@@ -155,6 +155,7 @@ class mySSLContext(SSL.Context):
     def __init__(self):
         SSL.Context.__init__(self, 'sslv23')
         self.set_options(m2.SSL_OP_ALL | m2.SSL_OP_NO_SSLv2 | m2.SSL_OP_NO_SSLv3)
+        self.set_cipher_list("HIGH:!eNULL:!aNULL:!EXPORT:!LOW:!MEDIUM:!FZA:!kRSA:!MD5:!RC4:!SSLv2:@STRENGTH")
         self.set_session_cache_mode(m2.SSL_SESS_CACHE_CLIENT)
         self.verrs = None
         #self.set_info_callback() # debug