diff --git a/config/.credo.exs b/config/.credo.exs
index 2dbb32e..8aaff1d 100644
--- a/config/.credo.exs
+++ b/config/.credo.exs
@@ -12,7 +12,8 @@
       parse_timeout: 5000,
       color: true,
       checks: [
-        {Credo.Check.Readability.WithSingleClause, false}
+        {Credo.Check.Readability.WithSingleClause, false},
+        {Credo.Check.Refactor.FunctionArity, false}
       ]
     }
   ]
diff --git a/lib/aws_secrets_manager/request.ex b/lib/aws_secrets_manager/request.ex
index db3ebc3..962e836 100644
--- a/lib/aws_secrets_manager/request.ex
+++ b/lib/aws_secrets_manager/request.ex
@@ -1,4 +1,5 @@
 defmodule Utils.AwsRequest do
+  @moduledoc false
   alias ExSecrets.Utils.Config
 
   @url "https://secretsmanager.us-east-1.amazonaws.com/"
diff --git a/lib/utils/aws.ex b/lib/utils/aws.ex
index 82321d7..643b3ac 100644
--- a/lib/utils/aws.ex
+++ b/lib/utils/aws.ex
@@ -170,8 +170,7 @@ defmodule Utils.Aws do
 
     header_string =
       headers
-      |> Enum.map(fn {k, v} -> "#{k}:#{remove_dup_spaces(to_string(v))}" end)
-      |> Enum.join("\n")
+      |> Enum.map_join(fn {k, v} -> "#{k}:#{remove_dup_spaces(to_string(v))}" end, "\n")
 
     signed_headers_list = signed_headers_value(headers)
 
@@ -293,8 +292,7 @@ defmodule Utils.Aws do
 
   defp signed_headers_value(headers) do
     headers
-    |> Enum.map(&elem(&1, 0))
-    |> Enum.join(";")
+    |> Enum.map_join(&elem(&1, 0), ";")
   end
 
   defp service_override(service, config) do
diff --git a/mix.lock b/mix.lock
index 0494a0a..eb1837f 100644
--- a/mix.lock
+++ b/mix.lock
@@ -8,8 +8,6 @@
   "doctor": {:hex, :doctor, "0.21.0", "20ef89355c67778e206225fe74913e96141c4d001cb04efdeba1a2a9704f1ab5", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm", "a227831daa79784eb24cdeedfa403c46a4cb7d0eab0e31232ec654314447e4e0"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.26", "f4291134583f373c7d8755566122908eb9662df4c4b63caa66a0eabe06569b0a", [:mix], [], "hexpm", "48d460899f8a0c52c5470676611c01f64f3337bad0b26ddab43648428d94aabc"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
-  "ex_aws": {:hex, :ex_aws, "2.5.3", "9c2d05ba0c057395b12c7b5ca6267d14cdaec1d8e65bdf6481fe1fd245accfb4", [:mix], [{:configparser_ex, "~> 4.0", [hex: :configparser_ex, repo: "hexpm", optional: true]}, {:hackney, "~> 1.16", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: true]}, {:jsx, "~> 2.8 or ~> 3.0", [hex: :jsx, repo: "hexpm", optional: true]}, {:mime, "~> 1.2 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:sweet_xml, "~> 0.7", [hex: :sweet_xml, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "67115f1d399d7ec4d191812ee565c6106cb4b1bbf19a9d4db06f265fd87da97e"},
-  "ex_aws_secretsmanager": {:hex, :ex_aws_secretsmanager, "2.0.0", "deff8c12335f0160882afeb9687e55a97fddcd7d9a82fc3a6fbb270797374773", [:mix], [{:ex_aws, "~> 2.0", [hex: :ex_aws, repo: "hexpm", optional: false]}], "hexpm", "8b2838af536c32263ff797012b29e87bad73ef34f43cfa60ebca8e84576f6d45"},
   "ex_check": {:hex, :ex_check, "0.14.0", "d6fbe0bcc51cf38fea276f5bc2af0c9ae0a2bb059f602f8de88709421dae4f0e", [:mix], [], "hexpm", "8a602e98c66e6a4be3a639321f1f545292042f290f91fa942a285888c6868af0"},
   "ex_doc": {:hex, :ex_doc, "0.28.4", "001a0ea6beac2f810f1abc3dbf4b123e9593eaa5f00dd13ded024eae7c523298", [:mix], [{:earmark_parser, "~> 1.4.19", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "bf85d003dd34911d89c8ddb8bda1a958af3471a274a4c2150a9c01c78ac3f8ed"},
   "excoveralls": {:hex, :excoveralls, "0.18.0", "b92497e69465dc51bc37a6422226ee690ab437e4c06877e836f1c18daeb35da9", [:mix], [{:castore, "~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "1109bb911f3cb583401760be49c02cbbd16aed66ea9509fc5479335d284da60b"},
@@ -24,7 +22,6 @@
   "makeup_elixir": {:hex, :makeup_elixir, "0.16.0", "f8c570a0d33f8039513fbccaf7108c5d750f47d8defd44088371191b76492b0b", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "28b2cbdc13960a46ae9a8858c4bebdec3c9a6d7b4b9e7f4ed1502f8159f338e7"},
   "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
-  "mime": {:hex, :mime, "2.0.5", "dc34c8efd439abe6ae0343edbb8556f4d63f178594894720607772a041b04b02", [:mix], [], "hexpm", "da0d64a365c45bc9935cc5c8a7fc5e49a0e0f9932a761c55d6c52b142780a05c"},
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
   "mix_test_watch": {:hex, :mix_test_watch, "1.1.0", "330bb91c8ed271fe408c42d07e0773340a7938d8a0d281d57a14243eae9dc8c3", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}], "hexpm", "52b6b1c476cbb70fd899ca5394506482f12e5f6b0d6acff9df95c7f1e0812ec3"},
   "mox": {:hex, :mox, "1.0.2", "dc2057289ac478b35760ba74165b4b3f402f68803dd5aecd3bfd19c183815d64", [:mix], [], "hexpm", "f9864921b3aaf763c8741b5b8e6f908f44566f1e427b2630e89e9a73b981fef2"},