diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
new file mode 100644
index 0000000..475e3ff
--- /dev/null
+++ b/.github/workflows/elixir.yml
@@ -0,0 +1,73 @@
+name: Elixir CI
+
+on: push
+
+env:
+  MIX_ENV: test
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        elixir: ["1.13", "1.14", "1.15"]
+        otp: ["25", "26"]
+        exclude:
+          - elixir: 1.13
+            otp: 26
+          - elixir: 1.14
+            otp: 26
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup elixir
+        uses: erlef/setup-beam@v1
+        with:
+          elixir-version: ${{ matrix.elixir }}
+          otp-version: ${{ matrix.otp }}
+
+      - name: Restore dependencies cache
+        uses: actions/cache@v3
+        id: mix-cache
+        with:
+          path: deps
+          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
+          restore-keys: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
+
+      - name: Install dependencies
+        if: steps.mix-cache.outputs.cache-hit != 'true'
+        run: |
+          mix local.rebar --force
+          mix local.hex --force
+          mix deps.get
+
+      - name: Compile & error on warning
+        run: mix compile --warnings-as-errors
+
+      - name: Check formatting
+        run: mix format --check-formatted
+
+      - name: Run credo
+        run: mix credo --strict
+
+      - name: Retrieve PLT cache
+        uses: actions/cache@v3
+        id: plt-cache
+        with:
+          path: priv/plts
+          key: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-plts-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
+          restore-keys: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-plts-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
+
+      - name: Create PLTs
+        if: steps.plt-cache.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p priv/plts
+          mix dialyzer --plt
+
+      - name: Run dialyzer
+        run: mix dialyzer --no-check --halt-exit-status
+
+      - name: Run tests
+        run: mix coveralls.github
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 1061b2c..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-language: elixir
-elixir:
-  - 1.7.4
-  - 1.8.2
-  - 1.9.4
-env:
-  - MIX_ENV=test
-script:
-  - mix coveralls.travis
-  - mix credo --strict
-  - mix format --check-formatted
diff --git a/lib/soap/request/params.ex b/lib/soap/request/params.ex
index 7f10aa8..c4a97d3 100644
--- a/lib/soap/request/params.ex
+++ b/lib/soap/request/params.ex
@@ -21,7 +21,8 @@ defmodule Soap.Request.Params do
   Returns XML-like string.
   """
 
-  @spec build_body(wsdl :: map(), operation :: String.t() | atom(), params :: map() | tuple(), headers :: map()) :: String.t()
+  @spec build_body(wsdl :: map(), operation :: String.t() | atom(), params :: map() | tuple(), headers :: map()) ::
+          String.t()
   def build_body(wsdl, operation, params, headers) do
     with {:ok, body} <- build_soap_body(wsdl, operation, params),
          {:ok, header} <- build_soap_header(wsdl, operation, headers) do
@@ -75,9 +76,7 @@ defmodule Soap.Request.Params do
         if Map.has_key?(val_map, k) do
           validate_param_attributes(val_map, k, v)
         else
-          "Invalid SOAP message:Invalid content was found starting with element '#{k}'. One of {#{
-            Enum.join(Map.keys(val_map), ", ")
-          }} is expected."
+          "Invalid SOAP message:Invalid content was found starting with element '#{k}'. One of {#{Enum.join(Map.keys(val_map), ", ")}} is expected."
         end
     end
   end
diff --git a/lib/soap/wsdl.ex b/lib/soap/wsdl.ex
index 439ab17..80bc851 100644
--- a/lib/soap/wsdl.ex
+++ b/lib/soap/wsdl.ex
@@ -76,9 +76,7 @@ defmodule Soap.Wsdl do
 
       xpath(
         wsdl,
-        ~x"//#{ns("types", protocol_ns)}/#{ns("schema", schema_namespace)}/#{ns("import", schema_namespace)}[@namespace='#{
-          value
-        }']"
+        ~x"//#{ns("types", protocol_ns)}/#{ns("schema", schema_namespace)}/#{ns("import", schema_namespace)}[@namespace='#{value}']"
       ) ->
         {string_key, %{value: value, type: :xsd}}
 
@@ -91,9 +89,7 @@ defmodule Soap.Wsdl do
   def get_endpoint(wsdl, protocol_ns, soap_ns) do
     wsdl
     |> xpath(
-      ~x"//#{ns("definitions", protocol_ns)}/#{ns("service", protocol_ns)}/#{ns("port", protocol_ns)}/#{
-        ns("address", soap_ns)
-      }/@location"s
+      ~x"//#{ns("definitions", protocol_ns)}/#{ns("service", protocol_ns)}/#{ns("port", protocol_ns)}/#{ns("address", soap_ns)}/@location"s
     )
   end
 
diff --git a/lib/soap/xsd.ex b/lib/soap/xsd.ex
index a056f77..8f31cbb 100644
--- a/lib/soap/xsd.ex
+++ b/lib/soap/xsd.ex
@@ -27,6 +27,7 @@ defmodule Soap.Xsd do
   @spec parse_from_url(String.t(), keyword()) :: {:ok, map()} | {:error, atom()}
   def parse_from_url(path, opts \\ []) do
     request_opts = Keyword.merge([follow_redirect: true, max_redirect: 5], opts)
+
     case Request.get_http_client().get(path, [], request_opts) do
       {:ok, %HTTPoison.Response{status_code: 404}} -> {:error, :not_found}
       {:ok, %HTTPoison.Response{body: body}} -> parse_xsd(body)
diff --git a/mix.lock b/mix.lock
index 71b3b0a..14c3a39 100644
--- a/mix.lock
+++ b/mix.lock
@@ -21,7 +21,7 @@
   "mock": {:hex, :mock, "0.3.7", "75b3bbf1466d7e486ea2052a73c6e062c6256fb429d6797999ab02fa32f29e03", [:mix], [{:meck, "~> 0.9.2", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "4da49a4609e41fd99b7836945c26f373623ea968cfb6282742bcb94440cf7e5c"},
   "nimble_parsec": {:hex, :nimble_parsec, "1.2.0", "b44d75e2a6542dcb6acf5d71c32c74ca88960421b6874777f79153bbbbd7dccc", [:mix], [], "hexpm", "52b2871a7515a5ac49b00f214e4165a40724cf99798d8e4a65e4fd64ebd002c1"},
   "parse_trans": {:hex, :parse_trans, "3.3.1", "16328ab840cc09919bd10dab29e431da3af9e9e7e7e6f0089dd5a2d2820011d8", [:rebar3], [], "hexpm", "07cd9577885f56362d414e8c4c4e6bdf10d43a8767abb92d24cbe8b24c54888b"},
-  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.6", "cf344f5692c82d2cd7554f5ec8fd961548d4fd09e7d22f5b62482e5aeaebd4b0", [:make, :mix, :rebar3], [], "hexpm", "bdb0d2471f453c88ff3908e7686f86f9be327d065cc1ec16fa4540197ea04680"},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "sweet_xml": {:hex, :sweet_xml, "0.7.2", "4729f997286811fabdd8288f8474e0840a76573051062f066c4b597e76f14f9f", [:mix], [], "hexpm", "6894e68a120f454534d99045ea3325f7740ea71260bc315f82e29731d570a6e8"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.0", "bc84380c9ab48177092f43ac89e4dfa2c6d62b40b8bd132b1059ecc7232f9a78", [:rebar3], [], "hexpm", "25eee6d67df61960cf6a794239566599b09e17e668d3700247bc498638152521"},
   "xml_builder": {:hex, :xml_builder, "2.2.0", "cc5f1eeefcfcde6e90a9b77fb6c490a20bc1b856a7010ce6396f6da9719cbbab", [:mix], [], "hexpm", "9d66d52fb917565d358166a4314078d39ef04d552904de96f8e73f68f64a62c9"},
diff --git a/test/soap/request/params_test.exs b/test/soap/request/params_test.exs
index 636330c..939afe3 100644
--- a/test/soap/request/params_test.exs
+++ b/test/soap/request/params_test.exs
@@ -90,10 +90,20 @@ defmodule Soap.Request.ParamsTest do
     xml_body =
       "runTransaction-template.xml"
       |> Fixtures.load_xml()
-      |> String.replace("{{BODY}}", ~s{<test><Person id="something"><firstName>Joe</firstName><lastName>Dirt</lastName></Person></test>})
+      |> String.replace(
+        "{{BODY}}",
+        ~s{<test><Person id="something"><firstName>Joe</firstName><lastName>Dirt</lastName></Person></test>}
+      )
 
     {_, wsdl} = Wsdl.parse_from_file(Fixtures.get_file_path("wsdl/CyberSourceTransaction.wsdl"))
-    function_result = Params.build_body(wsdl, "runTransaction", %{test: {:Person, %{id: "something"}, %{firstName: "Joe", lastName: "Dirt"}}}, nil)
+
+    function_result =
+      Params.build_body(
+        wsdl,
+        "runTransaction",
+        %{test: {:Person, %{id: "something"}, %{firstName: "Joe", lastName: "Dirt"}}},
+        nil
+      )
 
     assert function_result == xml_body
   end
diff --git a/test/soap/request_test.exs b/test/soap/request_test.exs
index c607755..140c64c 100644
--- a/test/soap/request_test.exs
+++ b/test/soap/request_test.exs
@@ -69,7 +69,8 @@ defmodule Soap.RequestTest do
     params = {%{token: "barbaz"}, {:body, %{foo: "bar"}, "Hello John"}}
 
     with_mock HTTPoison, post: fn _, body, _, _ -> body end do
-      assert Request.call(wsdl, operation, params) == String.replace(@request_with_header, "<body>", ~s{<body foo="bar">})
+      assert Request.call(wsdl, operation, params) ==
+               String.replace(@request_with_header, "<body>", ~s{<body foo="bar">})
     end
   end
 end