diff --git a/mix.lock b/mix.lock
index 5e85797..242d116 100644
--- a/mix.lock
+++ b/mix.lock
@@ -7,7 +7,7 @@
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
   "ethereumex": {:hex, :ethereumex, "0.10.6", "6d75cac39b5b7a720b064fe48563f205d3d9784e5bde25f983dd07cf306c2a6d", [:make, :mix], [{:finch, "~> 0.16", [hex: :finch, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "58cf926239dabf8bd1fc6cf50a37b926274240b7f58ba5b235a20b5500a9a7e1"},
   "ex_abi": {:hex, :ex_abi, "0.7.2", "9950d8aa764c74b8c89cc279c72ac786675aca315c08bc06b4a387407fe67873", [:mix], [{:ex_keccak, "~> 0.7.5", [hex: :ex_keccak, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "1ca991d6eb497959aab4b3aaeb7d0f71b67d4b617d5689113da82d6e4cedc408"},
-  "ex_doc": {:hex, :ex_doc, "0.33.0", "690562b153153c7e4d455dc21dab86e445f66ceba718defe64b0ef6f0bd83ba0", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "3f69adc28274cb51be37d09b03e4565232862a4b10288a3894587b0131412124"},
+  "ex_doc": {:hex, :ex_doc, "0.34.0", "ab95e0775db3df71d30cf8d78728dd9261c355c81382bcd4cefdc74610bef13e", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "60734fb4c1353f270c3286df4a0d51e65a2c1d9fba66af3940847cc65a8066d7"},
   "ex_keccak": {:hex, :ex_keccak, "0.7.5", "f3b733173510d48ae9a1ea1de415e694b2651f35c787e63f33b5ed0013fbfd35", [:mix], [{:rustler, ">= 0.0.0", [hex: :rustler, repo: "hexpm", optional: true]}, {:rustler_precompiled, "~> 0.7", [hex: :rustler_precompiled, repo: "hexpm", optional: false]}], "hexpm", "8a5e1cb7f96fff5e480ff6a121477b90c4fd8c150984086dffd98819f5d83763"},
   "ex_rlp": {:hex, :ex_rlp, "0.6.0", "985391d2356a7cb8712a4a9a2deb93f19f2fbca0323f5c1203fcaf64d077e31e", [:mix], [], "hexpm", "7135db93b861d9e76821039b60b00a6a22d2c4e751bf8c444bffe7a042f1abaf"},
   "ex_secp256k1": {:hex, :ex_secp256k1, "0.7.3", "489b6fd57fab5a7259ace927d8cb5171aad835e9c7279c2a859a0483cb069415", [:mix], [{:rustler, ">= 0.0.0", [hex: :rustler, repo: "hexpm", optional: true]}, {:rustler_precompiled, "~> 0.7", [hex: :rustler_precompiled, repo: "hexpm", optional: false]}], "hexpm", "ea63159442f4d8143166cd1507da03edc43216d6e7c6bac4b416bdce04f0daa8"},