diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 00bd1a8..1938761 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,10 +20,9 @@ jobs:
       - run: mix deps.get
       - run: mix compile --warnings-as-errors --force
       - run: mix format --check-formatted
-      - run: mix test
       - run: mix dialyzer
-      # - run: mix coveralls.json
-      # - name: Upload coverage reports to Codecov
-      #   uses: codecov/codecov-action@v3
-      #   env:
-      #     CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
\ No newline at end of file
+      - run: mix coveralls.json
+      - name: Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
\ No newline at end of file
diff --git a/coveralls.json b/coveralls.json
new file mode 100644
index 0000000..46dbd9f
--- /dev/null
+++ b/coveralls.json
@@ -0,0 +1,6 @@
+{
+  "skip_files": [
+    "test/support/helpers.ex",
+    "test/support/serving.ex"
+  ]
+}
\ No newline at end of file
diff --git a/mix.exs b/mix.exs
index c68831f..91abbe9 100644
--- a/mix.exs
+++ b/mix.exs
@@ -16,9 +16,14 @@ defmodule Agens.MixProject do
       package: package(),
       docs: docs(),
       aliases: aliases(),
+      test_coverage: [tool: ExCoveralls],
       preferred_cli_env: [
         "test.all": :test,
-        "test.lm": :test
+        "test.lm": :test,
+        coveralls: :test,
+        "coveralls.detail": :test,
+        "coveralls.html": :test,
+        "coveralls.json": :test
       ]
     ]
   end
@@ -36,7 +41,8 @@ defmodule Agens.MixProject do
       {:ex_doc, ">= 0.0.0", only: :dev, runtime: false},
       {:bumblebee, "~> 0.5.3"},
       {:exla, "~> 0.7.0"},
-      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false}
+      {:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
+      {:excoveralls, "~> 0.17.1", only: :test}
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index 6a83b8c..01a3e7b 100644
--- a/mix.lock
+++ b/mix.lock
@@ -9,6 +9,7 @@
   "elixir_make": {:hex, :elixir_make, "0.8.4", "4960a03ce79081dee8fe119d80ad372c4e7badb84c493cc75983f9d3bc8bde0f", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:certifi, "~> 2.0", [hex: :certifi, repo: "hexpm", optional: true]}], "hexpm", "6e7f1d619b5f61dfabd0a20aa268e575572b542ac31723293a4c1a567d5ef040"},
   "erlex": {:hex, :erlex, "0.2.7", "810e8725f96ab74d17aac676e748627a07bc87eb950d2b83acd29dc047a30595", [:mix], [], "hexpm", "3ed95f79d1a844c3f6bf0cea61e0d5612a42ce56da9c03f01df538685365efb0"},
   "ex_doc": {:hex, :ex_doc, "0.34.2", "13eedf3844ccdce25cfd837b99bea9ad92c4e511233199440488d217c92571e8", [: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", "5ce5f16b41208a50106afed3de6a2ed34f4acfd65715b82a0b84b49d995f95c1"},
+  "excoveralls": {:hex, :excoveralls, "0.17.1", "83fa7906ef23aa7fc8ad7ee469c357a63b1b3d55dd701ff5b9ce1f72442b2874", [:mix], [{:castore, "~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "95bc6fda953e84c60f14da4a198880336205464e75383ec0f570180567985ae0"},
   "exla": {:hex, :exla, "0.7.3", "51310270a0976974fc758f7b28ebd6ca8e099b3d6fc78b0d484c808e977cb914", [:make, :mix], [{:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:nx, "~> 0.7.1", [hex: :nx, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:xla, "~> 0.6.0", [hex: :xla, repo: "hexpm", optional: false]}], "hexpm", "5b3d5741a24aada21d3b0feb4b99d1fc3c8457f995a63ea16684d8d5678b96ff"},
   "jason": {:hex, :jason, "1.4.3", "d3f984eeb96fe53b85d20e0b049f03e57d075b5acda3ac8d465c969a2536c17b", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "9a90e868927f7c777689baa16d86f4d0e086d968db5c05d917ccff6d443e58a3"},
   "makeup": {:hex, :makeup, "1.1.2", "9ba8837913bdf757787e71c1581c21f9d2455f4dd04cfca785c70bbfff1a76a3", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cce1566b81fbcbd21eca8ffe808f33b221f9eee2cbc7a1706fc3da9ff18e6cac"},