diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ce6418d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    env:
+      MIX_ENV: test
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - elixir: "1.12"
+            otp: "22"
+          - elixir: "1.18"
+            otp: "27"
+            lint: lint
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: erlef/setup-elixir@v1
+        with:
+          otp-version: ${{matrix.otp}}
+          elixir-version: ${{matrix.elixir}}
+
+      - name: Install Dependencies
+        run: mix deps.get --only test
+
+      - run: mix format --check-formatted
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.get && mix deps.unlock --check-unused
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.compile
+
+      - run: mix compile --warnings-as-errors
+        if: ${{ matrix.lint }}
+
+      - run: mix test
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 7c366ef..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-sudo: false
-language: elixir
-
-elixir: '1.10'
-otp_release: '22.0'
-
-stages:
-  - check formatted
-  - test
-
-jobs:
-  include:
-    - stage: check formatted
-      script: mix format --check-formatted
-
-    - stage: test
-
-    - elixir: 1.4
-      otp_release: 19.3
-    - elixir: 1.9
-      otp_release: 20.3
-    - elixir: 1.9
-      otp_release: 21.3
-    - elixir: 1.10
-      otp_release: 22.0
diff --git a/lib/makeup_c.ex b/lib/makeup_c.ex
index 9567cd3..33f7f64 100644
--- a/lib/makeup_c.ex
+++ b/lib/makeup_c.ex
@@ -76,7 +76,7 @@ defmodule Makeup.Lexers.CLexer do
   operator_name = word_from_list(~W(
       -> + -  * / % ++ -- ~ ^ & && | ||
       =  += -= *= /= &= |= %= ^= << >>
-      <<= >>= > < >= <= == != ! ? : 
+      <<= >>= > < >= <= == != ! ? :
     ))
 
   operator = token(operator_name, :operator)
@@ -104,7 +104,7 @@ defmodule Makeup.Lexers.CLexer do
 
   delimiters_punctuation =
     word_from_list(
-      ~W( ( \) [ ] { }),
+      ~W| ( ) [ ] { }|,
       :punctuation
     )
 
@@ -242,16 +242,16 @@ defmodule Makeup.Lexers.CLexer do
   ###################################################################
 
   @keyword ~W[
-    alignas alignoif asm atomic_cancel atomic_commit 
-    atomic_noexcept auto break case catch class co_await 
-    co_return co_yield compl concept const const_cast 
-    constexpr continue decltype default delete do dynamic_cast 
-    else enum explicit export extern for friend goto if 
-    import inline module mutable namespace new noexcept 
-    nullptr operator private protected public register 
-    reinterpret_cast requires return sizeof static static_assert 
-    static_cast struct switch synchronized template this 
-    thread_local throw try typedef typeid typename union 
+    alignas alignoif asm atomic_cancel atomic_commit
+    atomic_noexcept auto break case catch class co_await
+    co_return co_yield compl concept const const_cast
+    constexpr continue decltype default delete do dynamic_cast
+    else enum explicit export extern for friend goto if
+    import inline module mutable namespace new noexcept
+    nullptr operator private protected public register
+    reinterpret_cast requires return sizeof static static_assert
+    static_cast struct switch synchronized template this
+    thread_local throw try typedef typeid typename union
     using virtual volatile while
   ]
 
diff --git a/mix.exs b/mix.exs
index dffd464..dbf50fa 100644
--- a/mix.exs
+++ b/mix.exs
@@ -8,13 +8,11 @@ defmodule MakeupC.MixProject do
     [
       app: :makeup_c,
       version: @version,
-      elixir: "~> 1.4",
+      elixir: "~> 1.12",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
-      # Package
       package: package(),
       description: description(),
-      # aliases: aliases(),
       docs: docs()
     ]
   end
@@ -46,7 +44,7 @@ defmodule MakeupC.MixProject do
   defp deps do
     [
       {:makeup, "~> 1.0"},
-      {:ex_doc, ">= 0.0.0", only: [:dev, :docs]},
+      {:ex_doc, ">= 0.0.0", only: [:dev, :docs]}
     ]
   end
 
@@ -57,5 +55,4 @@ defmodule MakeupC.MixProject do
       main: "Makeup.Lexers.CLexer"
     ]
   end
-
 end
diff --git a/mix.lock b/mix.lock
index c7fa158..2913c0b 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,9 +1,8 @@
 %{
-  "benchee": {:hex, :benchee, "0.99.0", "0efbfc31045ad2f75a48673bd1befa8a6a5855e93b8c3117aed7d7da8de65b71", [:mix], [{:deep_merge, "~> 1.0", [hex: :deep_merge, repo: "hexpm", optional: false]}], "hexpm", "672d8e9436471b7d5b77ca5be3ad69d065553e7ed8c5db29bb3d662378104618"},
-  "deep_merge": {:hex, :deep_merge, "1.0.0", "b4aa1a0d1acac393bdf38b2291af38cb1d4a52806cf7a4906f718e1feb5ee961", [:mix], [], "hexpm", "ce708e5f094b9cd4e8f2be4f00d2f4250c4095be93f8cd6d018c753894885430"},
-  "earmark_parser": {:hex, :earmark_parser, "1.4.10", "6603d7a603b9c18d3d20db69921527f82ef09990885ed7525003c7fe7dc86c56", [:mix], [], "hexpm", "8e2d5370b732385db2c9b22215c3f59c84ac7dda7ed7e544d7c459496ae519c0"},
-  "ex_doc": {:hex, :ex_doc, "0.22.6", "0fb1e09a3e8b69af0ae94c8b4e4df36995d8c88d5ec7dbd35617929144b62c00", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm", "1e0aceda15faf71f1b0983165e6e7313be628a460e22a031e32913b98edbd638"},
-  "makeup": {:hex, :makeup, "1.0.3", "e339e2f766d12e7260e6672dd4047405963c5ec99661abdc432e6ec67d29ef95", [:mix], [{:nimble_parsec, "~> 0.5", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "2e9b4996d11832947731f7608fed7ad2f9443011b3b479ae288011265cdd3dad"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.14.1", "4f0e96847c63c17841d42c08107405a005a2680eb9c7ccadfd757bd31dabccfb", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "f2438b1a80eaec9ede832b5c41cd4f373b38fd7aa33e3b22d9db79e640cbde11"},
-  "nimble_parsec": {:hex, :nimble_parsec, "0.6.0", "32111b3bf39137144abd7ba1cce0914533b2d16ef35e8abc5ec8be6122944263", [:mix], [], "hexpm", "27eac315a94909d4dc68bc07a4a83e06c8379237c5ea528a9acff4ca1c873c52"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.43", "34b2f401fe473080e39ff2b90feb8ddfeef7639f8ee0bbf71bb41911831d77c5", [:mix], [], "hexpm", "970a3cd19503f5e8e527a190662be2cee5d98eed1ff72ed9b3d1a3d466692de8"},
+  "ex_doc": {:hex, :ex_doc, "0.37.0", "970f92b39e62c460aa8a367508e938f5e4da6e2ff3eaed3f8530b25870f45471", [:mix], [{:earmark_parser, "~> 1.4.42", [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", "b0ee7f17373948e0cf471e59c3a0ee42f3bd1171c67d91eb3626456ef9c6202c"},
+  "makeup": {:hex, :makeup, "1.2.1", "e90ac1c65589ef354378def3ba19d401e739ee7ee06fb47f94c687016e3713d1", [:mix], [{:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "d36484867b0bae0fea568d10131197a4c2e47056a6fbe84922bf6ba71c8d17ce"},
+  "makeup_elixir": {:hex, :makeup_elixir, "1.0.1", "e928a4f984e795e41e3abd27bfc09f51db16ab8ba1aebdba2b3a575437efafc2", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "7284900d412a3e5cfd97fdaed4f5ed389b8f2b4cb49efc0eb3bd10e2febf9507"},
+  "makeup_erlang": {:hex, :makeup_erlang, "1.0.2", "03e1804074b3aa64d5fad7aa64601ed0fb395337b982d9bcf04029d68d51b6a7", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "af33ff7ef368d5893e4a267933e7744e46ce3cf1f61e2dccf53a111ed3aa3727"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.4.2", "8efba0122db06df95bfaa78f791344a89352ba04baedd3849593bfce4d0dc1c6", [:mix], [], "hexpm", "4b21398942dda052b403bbe1da991ccd03a053668d147d53fb8c4e0efe09c973"},
 }