diff --git a/examples/simple/client.py b/examples/simple/client.py
index 36c37cd..dff2d03 100644
--- a/examples/simple/client.py
+++ b/examples/simple/client.py
@@ -27,6 +27,8 @@
 
 # Initialize context
 ctx = SSL.Context(SSL.SSLv23_METHOD)
+ctx.set_options(SSL.OP_NO_SSLv2)
+ctx.set_options(SSL.OP_NO_SSLv3)
 ctx.set_verify(SSL.VERIFY_PEER, verify_cb) # Demand a certificate
 ctx.use_privatekey_file (os.path.join(dir, 'client.pkey'))
 ctx.use_certificate_file(os.path.join(dir, 'client.cert'))
diff --git a/examples/simple/server.py b/examples/simple/server.py
index df7c5a4..bc001ed 100644
--- a/examples/simple/server.py
+++ b/examples/simple/server.py
@@ -29,6 +29,7 @@
 # Initialize context
 ctx = SSL.Context(SSL.SSLv23_METHOD)
 ctx.set_options(SSL.OP_NO_SSLv2)
+ctx.set_options(SSL.OP_NO_SSLv3)
 ctx.set_verify(SSL.VERIFY_PEER|SSL.VERIFY_FAIL_IF_NO_PEER_CERT, verify_cb) # Demand a certificate
 ctx.use_privatekey_file (os.path.join(dir, 'server.pkey'))
 ctx.use_certificate_file(os.path.join(dir, 'server.cert'))