diff --git a/rebar.config b/rebar.config
index c88769f3..4a46f8ad 100644
--- a/rebar.config
+++ b/rebar.config
@@ -23,7 +23,7 @@
 {deps, [
         {idna, "~>6.1.0"},
         {mimerl, "~>1.1"},
-        {certifi, "~>2.10.0"},
+        {certifi, "~>2.11.0"},
         {metrics, "~>1.0.0"},
         {parse_trans, "3.4.1"},
         {ssl_verify_fun, "~>1.1.0"},
diff --git a/rebar.lock b/rebar.lock
index 34397ef8..4b384f3b 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,26 +1,26 @@
 {"1.2.0",
-[{<<"certifi">>,{pkg,<<"certifi">>,<<"2.9.0">>},0},
+[{<<"certifi">>,{pkg,<<"certifi">>,<<"2.11.0">>},0},
  {<<"idna">>,{pkg,<<"idna">>,<<"6.1.1">>},0},
  {<<"metrics">>,{pkg,<<"metrics">>,<<"1.0.1">>},0},
  {<<"mimerl">>,{pkg,<<"mimerl">>,<<"1.2.0">>},0},
- {<<"parse_trans">>,{pkg,<<"parse_trans">>,<<"3.3.1">>},0},
+ {<<"parse_trans">>,{pkg,<<"parse_trans">>,<<"3.4.1">>},0},
  {<<"ssl_verify_fun">>,{pkg,<<"ssl_verify_fun">>,<<"1.1.6">>},0},
  {<<"unicode_util_compat">>,{pkg,<<"unicode_util_compat">>,<<"0.7.0">>},0}]}.
 [
 {pkg_hash,[
- {<<"certifi">>, <<"6F2A475689DD47F19FB74334859D460A2DC4E3252A3324BD2111B8F0429E7E21">>},
+ {<<"certifi">>, <<"5ADFE37CEB8569D019F836944AEAF27F8AC391DACAF3707F570C155B7E03AAA8">>},
  {<<"idna">>, <<"8A63070E9F7D0C62EB9D9FCB360A7DE382448200FBBD1B106CC96D3D8099DF8D">>},
  {<<"metrics">>, <<"25F094DEA2CDA98213CECC3AEFF09E940299D950904393B2A29D191C346A8486">>},
  {<<"mimerl">>, <<"67E2D3F571088D5CFD3E550C383094B47159F3EEE8FFA08E64106CDF5E981BE3">>},
- {<<"parse_trans">>, <<"16328AB840CC09919BD10DAB29E431DA3AF9E9E7E7E6F0089DD5A2D2820011D8">>},
+ {<<"parse_trans">>, <<"6E6AA8167CB44CC8F39441D05193BE6E6F4E7C2946CB2759F015F8C56B76E5FF">>},
  {<<"ssl_verify_fun">>, <<"CF344F5692C82D2CD7554F5EC8FD961548D4FD09E7D22F5B62482E5AEAEBD4B0">>},
  {<<"unicode_util_compat">>, <<"BC84380C9AB48177092F43AC89E4DFA2C6D62B40B8BD132B1059ECC7232F9A78">>}]},
 {pkg_hash_ext,[
- {<<"certifi">>, <<"266DA46BDB06D6C6D35FDE799BCB28D36D985D424AD7C08B5BB48F5B5CDD4641">>},
+ {<<"certifi">>, <<"9E37E0542EC3FABAA19A0734B3900DC095797FAC48C40A2A9741D8AD5E3C9BB7">>},
  {<<"idna">>, <<"92376EB7894412ED19AC475E4A86F7B413C1B9FBB5BD16DCCD57934157944CEA">>},
  {<<"metrics">>, <<"69B09ADDDC4F74A40716AE54D140F93BEB0FB8978D8636EADED0C31B6F099F16">>},
  {<<"mimerl">>, <<"F278585650AA581986264638EBF698F8BB19DF297F66AD91B18910DFC6E19323">>},
- {<<"parse_trans">>, <<"07CD9577885F56362D414E8C4C4E6BDF10D43A8767ABB92D24CBE8B24C54888B">>},
+ {<<"parse_trans">>, <<"620A406CE75DADA827B82E453C19CF06776BE266F5A67CFF34E1EF2CBB60E49A">>},
  {<<"ssl_verify_fun">>, <<"BDB0D2471F453C88FF3908E7686F86F9BE327D065CC1EC16FA4540197EA04680">>},
  {<<"unicode_util_compat">>, <<"25EEE6D67DF61960CF6A794239566599B09E17E668D3700247BC498638152521">>}]}
 ].