diff --git a/rebar.lock b/rebar.lock
index e135f8d..36c07b5 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,27 +1,27 @@
 {"1.2.0",
 [{<<"acceptor_pool">>,{pkg,<<"acceptor_pool">>,<<"1.0.0">>},1},
- {<<"chatterbox">>,{pkg,<<"ts_chatterbox">>,<<"0.13.0">>},1},
+ {<<"chatterbox">>,{pkg,<<"ts_chatterbox">>,<<"0.15.1">>},1},
  {<<"ctx">>,{pkg,<<"ctx">>,<<"0.6.0">>},1},
  {<<"ecpool">>,
   {git,"https://github.com/emqx/ecpool",
-       {ref,"d01b8cb99af90bc177eeeabe29075133db878fb3"}},
+       {ref,"a9719f2d4ae9c778a8ca59f1ec9f644bcf7874a7"}},
   0},
  {<<"gproc">>,{pkg,<<"gproc">>,<<"0.8.0">>},1},
- {<<"grpcbox">>,{pkg,<<"grpcbox">>,<<"0.16.0">>},0},
- {<<"hpack">>,{pkg,<<"hpack_erl">>,<<"0.2.3">>},2}]}.
+ {<<"grpcbox">>,{pkg,<<"grpcbox">>,<<"0.17.1">>},0},
+ {<<"hpack">>,{pkg,<<"hpack_erl">>,<<"0.3.0">>},2}]}.
 [
 {pkg_hash,[
  {<<"acceptor_pool">>, <<"43C20D2ACAE35F0C2BCD64F9D2BDE267E459F0F3FD23DAB26485BF518C281B21">>},
- {<<"chatterbox">>, <<"6F059D97BCAA758B8EA6FFFE2B3B81362BD06B639D3EA2BB088335511D691EBF">>},
+ {<<"chatterbox">>, <<"5CAC4D15DD7AD61FC3C4415CE4826FC563D4643DEE897A558EC4EA0B1C835C9C">>},
  {<<"ctx">>, <<"8FF88B70E6400C4DF90142E7F130625B82086077A45364A78D208ED3ED53C7FE">>},
  {<<"gproc">>, <<"CEA02C578589C61E5341FCE149EA36CCEF236CC2ECAC8691FBA408E7EA77EC2F">>},
- {<<"grpcbox">>, <<"B83F37C62D6EECA347B77F9B1EC7E9F62231690CDFEB3A31BE07CD4002BA9C82">>},
- {<<"hpack">>, <<"17670F83FF984AE6CD74B1C456EDDE906D27FF013740EE4D9EFAA4F1BF999633">>}]},
+ {<<"grpcbox">>, <<"6E040AB3EF16FE699FFB513B0EF8E2E896DA7B18931A1EF817143037C454BCCE">>},
+ {<<"hpack">>, <<"2461899CC4AB6A0EF8E970C1661C5FC6A52D3C25580BC6DD204F84CE94669926">>}]},
 {pkg_hash_ext,[
  {<<"acceptor_pool">>, <<"0CBCD83FDC8B9AD2EEE2067EF8B91A14858A5883CB7CD800E6FCD5803E158788">>},
- {<<"chatterbox">>, <<"B93D19104D86AF0B3F2566C4CBA2A57D2E06D103728246BA1AC6C3C0FF010AA7">>},
+ {<<"chatterbox">>, <<"4F75B91451338BC0DA5F52F3480FA6EF6E3A2AEECFC33686D6B3D0A0948F31AA">>},
  {<<"ctx">>, <<"A14ED2D1B67723DBEBBE423B28D7615EB0BDCBA6FF28F2D1F1B0A7E1D4AA5FC2">>},
  {<<"gproc">>, <<"580ADAFA56463B75263EF5A5DF4C86AF321F68694E7786CB057FD805D1E2A7DE">>},
- {<<"grpcbox">>, <<"294DF743AE20A7E030889F00644001370A4F7CE0121F3BBDAF13CF3169C62913">>},
- {<<"hpack">>, <<"06F580167C4B8B8A6429040DF36CC93BBA6D571FAEAEC1B28816523379CBB23A">>}]}
+ {<<"grpcbox">>, <<"4A3B5D7111DAABC569DC9CBD9B202A3237D81C80BF97212FBC676832CB0CEB17">>},
+ {<<"hpack">>, <<"D6137D7079169D8C485C6962DFE261AF5B9EF60FBC557344511C1E65E3D95FB0">>}]}
 ].