diff --git a/lib/mix_dependency_submission/cli/submit.ex b/lib/mix_dependency_submission/cli/submit.ex
index d0b6be5..34c5265 100644
--- a/lib/mix_dependency_submission/cli/submit.ex
+++ b/lib/mix_dependency_submission/cli/submit.ex
@@ -78,7 +78,7 @@ defmodule MixDependencySubmission.CLI.Submit do
         ignore: ignore
       )
 
-    Logger.info("Calculated Submission: #{Jason.encode!(submission, pretty: true)}")
+    Logger.info("Calculated Submission: #{JSON.encode!(submission, pretty: true)}")
 
     submission
     |> ApiClient.submit(github_api_url, github_repository, github_token)
diff --git a/lib/mix_dependency_submission/submission.ex b/lib/mix_dependency_submission/submission.ex
index fbf4f99..1821cba 100644
--- a/lib/mix_dependency_submission/submission.ex
+++ b/lib/mix_dependency_submission/submission.ex
@@ -21,7 +21,7 @@ defmodule MixDependencySubmission.Submission do
           manifests: manifests() | nil
         }
 
-  @derive Jason.Encoder
+  @derive JSON.Encoder
   @enforce_keys [:version, :job, :sha, :ref, :detector, :scanned]
   defstruct [:version, :job, :sha, :ref, :detector, :scanned, metadata: nil, manifests: nil]
 
diff --git a/lib/mix_dependency_submission/submission/detector.ex b/lib/mix_dependency_submission/submission/detector.ex
index fc1e747..f2b5188 100644
--- a/lib/mix_dependency_submission/submission/detector.ex
+++ b/lib/mix_dependency_submission/submission/detector.ex
@@ -14,14 +14,14 @@ defmodule MixDependencySubmission.Submission.Detector do
   @enforce_keys [:name, :version, :url]
   defstruct [:name, :version, :url]
 
-  defimpl Jason.Encoder do
-    @impl Jason.Encoder
-    def encode(value, opts) do
+  defimpl JSON.Encoder do
+    @impl JSON.Encoder
+    def encode(value, encoder) do
       value
       |> Map.from_struct()
       |> Map.update!(:version, &Version.to_string/1)
       |> Map.update!(:url, &URI.to_string/1)
-      |> Jason.Encode.map(opts)
+      |> encoder.(encoder)
     end
   end
 end
diff --git a/lib/mix_dependency_submission/submission/job.ex b/lib/mix_dependency_submission/submission/job.ex
index fcd8df7..6592161 100644
--- a/lib/mix_dependency_submission/submission/job.ex
+++ b/lib/mix_dependency_submission/submission/job.ex
@@ -14,15 +14,15 @@ defmodule MixDependencySubmission.Submission.Job do
   @enforce_keys [:id, :correlator]
   defstruct [:id, :correlator, html_url: nil]
 
-  defimpl Jason.Encoder do
-    @impl Jason.Encoder
-    def encode(value, opts) do
+  defimpl JSON.Encoder do
+    @impl JSON.Encoder
+    def encode(value, encoder) do
       value
       |> Map.from_struct()
       |> Map.update!(:html_url, &uri_to_string/1)
       |> Enum.reject(&match?({_key, nil}, &1))
       |> Map.new()
-      |> Jason.Encode.map(opts)
+      |> encoder.(encoder)
     end
 
     @spec uri_to_string(uri :: URI.t()) :: String.t()
diff --git a/lib/mix_dependency_submission/submission/manifest.ex b/lib/mix_dependency_submission/submission/manifest.ex
index 709df64..89a8a09 100644
--- a/lib/mix_dependency_submission/submission/manifest.ex
+++ b/lib/mix_dependency_submission/submission/manifest.ex
@@ -18,14 +18,14 @@ defmodule MixDependencySubmission.Submission.Manifest do
   @enforce_keys [:name]
   defstruct [:name, file: nil, metadata: nil, resolved: nil]
 
-  defimpl Jason.Encoder do
-    @impl Jason.Encoder
-    def encode(value, opts) do
+  defimpl JSON.Encoder do
+    @impl JSON.Encoder
+    def encode(value, encoder) do
       value
       |> Map.from_struct()
       |> Enum.reject(&match?({_key, nil}, &1))
       |> Map.new()
-      |> Jason.Encode.map(opts)
+      |> encoder.(encoder)
     end
   end
 end
diff --git a/lib/mix_dependency_submission/submission/manifest/dependency.ex b/lib/mix_dependency_submission/submission/manifest/dependency.ex
index cadbc05..79c0b3d 100644
--- a/lib/mix_dependency_submission/submission/manifest/dependency.ex
+++ b/lib/mix_dependency_submission/submission/manifest/dependency.ex
@@ -22,9 +22,9 @@ defmodule MixDependencySubmission.Submission.Manifest.Dependency do
   @enforce_keys []
   defstruct package_url: nil, metadata: nil, relationship: nil, scope: nil, dependencies: nil
 
-  defimpl Jason.Encoder do
-    @impl Jason.Encoder
-    def encode(value, opts) do
+  defimpl JSON.Encoder do
+    @impl JSON.Encoder
+    def encode(value, encoder) do
       value
       |> Map.from_struct()
       |> update_in([:package_url], &purl_to_string/1)
@@ -32,7 +32,7 @@ defmodule MixDependencySubmission.Submission.Manifest.Dependency do
       |> update_in([:dependencies, Access.all()], &purl_to_string/1)
       |> Enum.reject(fn {_key, value} -> value in [nil, []] end)
       |> Map.new()
-      |> Jason.Encode.map(opts)
+      |> encoder.(encoder)
     end
 
     @spec purl_to_string(purl :: Purl.t()) :: String.t()
diff --git a/lib/mix_dependency_submission/submission/manifest/file.ex b/lib/mix_dependency_submission/submission/manifest/file.ex
index 781392f..bb8361b 100644
--- a/lib/mix_dependency_submission/submission/manifest/file.ex
+++ b/lib/mix_dependency_submission/submission/manifest/file.ex
@@ -12,14 +12,14 @@ defmodule MixDependencySubmission.Submission.Manifest.File do
   @enforce_keys []
   defstruct source_location: nil
 
-  defimpl Jason.Encoder do
-    @impl Jason.Encoder
-    def encode(value, opts) do
+  defimpl JSON.Encoder do
+    @impl JSON.Encoder
+    def encode(value, encoder) do
       value
       |> Map.from_struct()
       |> Enum.reject(&match?({_key, nil}, &1))
       |> Map.new()
-      |> Jason.Encode.map(opts)
+      |> encoder.(encoder)
     end
   end
 end
diff --git a/mix.exs b/mix.exs
index 1c3e381..0dc4732 100644
--- a/mix.exs
+++ b/mix.exs
@@ -81,7 +81,6 @@ defmodule MixDependencySubmission.MixProject do
       {:ex_doc, ">= 0.0.0", only: [:dev], runtime: false},
       {:excoveralls, "~> 0.5", only: [:test], runtime: false},
       {:hex, github: "hexpm/hex", tag: "v2.1.1", runtime: false},
-      {:jason, "~> 1.4"},
       {:optimus, "~> 0.2"},
       {:plug, "~> 1.0", only: [:test]},
       {:purl, "~> 0.2.0"},
diff --git a/test/mix_dependency_submission/submission/detector_test.exs b/test/mix_dependency_submission/submission/detector_test.exs
index 3fb7f13..ba22efc 100644
--- a/test/mix_dependency_submission/submission/detector_test.exs
+++ b/test/mix_dependency_submission/submission/detector_test.exs
@@ -5,7 +5,7 @@ defmodule MixDependencySubmission.Submission.DetectorTest do
 
   doctest Detector
 
-  describe "Jason.Encoder" do
+  describe "JSON.Encoder" do
     test "encodes filled struct" do
       detector = %Detector{
         name: "test",
@@ -14,7 +14,7 @@ defmodule MixDependencySubmission.Submission.DetectorTest do
       }
 
       assert %{"name" => "test", "url" => "http://example.com", "version" => "1.0.0"} =
-               detector |> Jason.encode!() |> Jason.decode!()
+               detector |> JSON.encode!() |> JSON.decode!()
     end
   end
 end
diff --git a/test/mix_dependency_submission/submission/job_test.exs b/test/mix_dependency_submission/submission/job_test.exs
index 49df9c7..6d1b8b3 100644
--- a/test/mix_dependency_submission/submission/job_test.exs
+++ b/test/mix_dependency_submission/submission/job_test.exs
@@ -5,7 +5,7 @@ defmodule MixDependencySubmission.Submission.JobTest do
 
   doctest Job
 
-  describe "Jason.Encoder" do
+  describe "JSON.Encoder" do
     test "encodes filled struct" do
       job = %Job{
         id: "test",
@@ -14,7 +14,7 @@ defmodule MixDependencySubmission.Submission.JobTest do
       }
 
       assert %{"correlator" => "test", "html_url" => "http://example.com", "id" => "test"} =
-               job |> Jason.encode!() |> Jason.decode!()
+               job |> JSON.encode!() |> JSON.decode!()
     end
 
     test "encodes partial struct" do
@@ -24,7 +24,7 @@ defmodule MixDependencySubmission.Submission.JobTest do
       }
 
       assert %{"correlator" => "test", "id" => "test"} =
-               job |> Jason.encode!() |> Jason.decode!()
+               job |> JSON.encode!() |> JSON.decode!()
     end
   end
 end
diff --git a/test/mix_dependency_submission/submission/manifest/dependency_test.exs b/test/mix_dependency_submission/submission/manifest/dependency_test.exs
index e834196..478ea49 100644
--- a/test/mix_dependency_submission/submission/manifest/dependency_test.exs
+++ b/test/mix_dependency_submission/submission/manifest/dependency_test.exs
@@ -5,7 +5,7 @@ defmodule MixDependencySubmission.Submission.Manifest.DependencyTest do
 
   doctest Dependency
 
-  describe "Jason.Encoder" do
+  describe "JSON.Encoder" do
     test "encodes filled struct" do
       dependency = %Dependency{
         package_url: %Purl{type: "hex", name: "gettext"},
@@ -23,13 +23,13 @@ defmodule MixDependencySubmission.Submission.Manifest.DependencyTest do
                "package_url" => "pkg:hex/gettext",
                "relationship" => "direct",
                "scope" => "runtime"
-             } = dependency |> Jason.encode!() |> Jason.decode!()
+             } = dependency |> JSON.encode!() |> JSON.decode!()
     end
 
     test "encodes empty struct" do
       dependency = %Dependency{}
 
-      assert %{} == dependency |> Jason.encode!() |> Jason.decode!()
+      assert %{} == dependency |> JSON.encode!() |> JSON.decode!()
     end
   end
 end
diff --git a/test/mix_dependency_submission/submission/manifest/file_test.exs b/test/mix_dependency_submission/submission/manifest/file_test.exs
index e65348f..83f1a5e 100644
--- a/test/mix_dependency_submission/submission/manifest/file_test.exs
+++ b/test/mix_dependency_submission/submission/manifest/file_test.exs
@@ -5,19 +5,19 @@ defmodule MixDependencySubmission.Submission.Manifest.FileTest do
 
   doctest File
 
-  describe "Jason.Encoder" do
+  describe "JSON.Encoder" do
     test "encodes filled struct" do
       file = %File{
         source_location: "mix.exs"
       }
 
-      assert %{"source_location" => "mix.exs"} = file |> Jason.encode!() |> Jason.decode!()
+      assert %{"source_location" => "mix.exs"} = file |> JSON.encode!() |> JSON.decode!()
     end
 
     test "encodes empty struct" do
       file = %File{}
 
-      assert %{} == file |> Jason.encode!() |> Jason.decode!()
+      assert %{} == file |> JSON.encode!() |> JSON.decode!()
     end
   end
 end
diff --git a/test/mix_dependency_submission/submission/manifest_test.exs b/test/mix_dependency_submission/submission/manifest_test.exs
index 8e091fe..240b75e 100644
--- a/test/mix_dependency_submission/submission/manifest_test.exs
+++ b/test/mix_dependency_submission/submission/manifest_test.exs
@@ -6,7 +6,7 @@ defmodule MixDependencySubmission.Submission.ManifestTest do
 
   doctest Manifest
 
-  describe "Jason.Encoder" do
+  describe "JSON.Encoder" do
     test "encodes filled struct" do
       manifest = %Manifest{
         name: "test",
@@ -21,7 +21,7 @@ defmodule MixDependencySubmission.Submission.ManifestTest do
                "name" => "test",
                "resolved" => %{}
              } =
-               manifest |> Jason.encode!() |> Jason.decode!()
+               manifest |> JSON.encode!() |> JSON.decode!()
     end
 
     test "encodes partial struct" do
@@ -29,7 +29,7 @@ defmodule MixDependencySubmission.Submission.ManifestTest do
         name: "test"
       }
 
-      assert %{"name" => "test"} = manifest |> Jason.encode!() |> Jason.decode!()
+      assert %{"name" => "test"} = manifest |> JSON.encode!() |> JSON.decode!()
     end
   end
 end
diff --git a/test/mix_dependency_submission/submission_test.exs b/test/mix_dependency_submission/submission_test.exs
index fe6ad23..519f082 100644
--- a/test/mix_dependency_submission/submission_test.exs
+++ b/test/mix_dependency_submission/submission_test.exs
@@ -5,7 +5,7 @@ defmodule MixDependencySubmission.SubmissionTest do
 
   doctest Submission
 
-  describe "Jason.Encoder" do
+  describe "JSON.Encoder" do
     test "encodes filled struct" do
       datetime = DateTime.utc_now()
 
@@ -40,7 +40,7 @@ defmodule MixDependencySubmission.SubmissionTest do
                "sha" => "sha",
                "version" => 0
              } =
-               submission |> Jason.encode!() |> Jason.decode!()
+               submission |> JSON.encode!() |> JSON.decode!()
     end
   end
 end