diff --git a/ryu/tests/packet_data_generator/rebar.config b/ryu/tests/packet_data_generator/rebar.config
index 11c40470..63876663 100644
--- a/ryu/tests/packet_data_generator/rebar.config
+++ b/ryu/tests/packet_data_generator/rebar.config
@@ -22,8 +22,9 @@
 %   https://github.com/FlowForwarding/of_protocol/pull/51
 %   https://github.com/FlowForwarding/of_protocol/pull/52
 %   https://github.com/FlowForwarding/of_protocol/pull/56
+%   https://github.com/FlowForwarding/of_protocol/pull/57
    {git, "http://github.com/yamt/of_protocol.git",
-    "3d30178dc460dc0faf23df00a19f8e8a3aa77a17"}},
+    "dabf39ae405eac2f98735545407f362f50dd23f9"}},
   {flower, ".*",
    {git, "http://github.com/travelping/flower.git",
     "d783d8f722cb1eb2fa598d4521b309cfcc703fdb"}}]}.