diff --git a/CHANGELOG.md b/CHANGELOG.md
index 519dcd4..86ae836 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 0.2.22 2024/03/14
 
 - Update to `actions/cache@v4`
+- Update to `actions/checkout@v4`
 
 ## 0.2.21 2024/03/11
 
diff --git a/docs/defaults.md b/docs/defaults.md
index 2b24a45..4ec9b47 100644
--- a/docs/defaults.md
+++ b/docs/defaults.md
@@ -242,7 +242,7 @@ defmodule GitHubActions.Default do
   defp checkout do
     [
       name: "Checkout",
-      uses: "actions/checkout@v3"
+      uses: "actions/checkout@v4"
     ]
   end
 
diff --git a/lib/git_hub_actions/workflow.ex b/lib/git_hub_actions/workflow.ex
index 4e86251..616a5f7 100644
--- a/lib/git_hub_actions/workflow.ex
+++ b/lib/git_hub_actions/workflow.ex
@@ -92,7 +92,7 @@ defmodule GitHubActions.Workflow do
     defp checkout do
       [
         name: "Checkout",
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
       ]
     end
 
diff --git a/priv/default.exs b/priv/default.exs
index fb89048..048514c 100644
--- a/priv/default.exs
+++ b/priv/default.exs
@@ -92,7 +92,7 @@ defmodule GitHubActions.Default do
   defp checkout do
     [
       name: "Checkout",
-      uses: "actions/checkout@v3"
+      uses: "actions/checkout@v4"
     ]
   end
 
diff --git a/test/fixtures/default.yml b/test/fixtures/default.yml
index fc85fe2..ee49186 100644
--- a/test/fixtures/default.yml
+++ b/test/fixtures/default.yml
@@ -58,7 +58,7 @@ jobs:
             otp: '23.3'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Elixir
         uses: erlef/setup-beam@v1
         with:
diff --git a/test/fixtures/global_default.yml b/test/fixtures/global_default.yml
index fc85fe2..ee49186 100644
--- a/test/fixtures/global_default.yml
+++ b/test/fixtures/global_default.yml
@@ -58,7 +58,7 @@ jobs:
             otp: '23.3'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Elixir
         uses: erlef/setup-beam@v1
         with:
diff --git a/test/fixtures/macos.yml b/test/fixtures/macos.yml
index d1d3437..0c57450 100644
--- a/test/fixtures/macos.yml
+++ b/test/fixtures/macos.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Elixir
         run: brew install elixir
       - name: Install hex
diff --git a/test/fixtures/no_comment.yml b/test/fixtures/no_comment.yml
index 98e89bc..d8895d2 100644
--- a/test/fixtures/no_comment.yml
+++ b/test/fixtures/no_comment.yml
@@ -57,7 +57,7 @@ jobs:
             otp: '23.3'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Elixir
         uses: erlef/setup-beam@v1
         with:
diff --git a/test/fixtures/opt_output.yml b/test/fixtures/opt_output.yml
index fc85fe2..ee49186 100644
--- a/test/fixtures/opt_output.yml
+++ b/test/fixtures/opt_output.yml
@@ -58,7 +58,7 @@ jobs:
             otp: '23.3'
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Elixir
         uses: erlef/setup-beam@v1
         with:
diff --git a/test/fixtures/windows.yml b/test/fixtures/windows.yml
index 638a7d9..8d22411 100644
--- a/test/fixtures/windows.yml
+++ b/test/fixtures/windows.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Elixir
         uses: erlef/setup-beam@v1
         with:
diff --git a/test/fixtures/workflow_steps.exs b/test/fixtures/workflow_steps.exs
index 064cf6b..5d92bf7 100644
--- a/test/fixtures/workflow_steps.exs
+++ b/test/fixtures/workflow_steps.exs
@@ -31,7 +31,7 @@ defmodule Test.WorkflowSteps do
   defp checkout do
     [
       name: "Checkout",
-      uses: "actions/checkout@v3"
+      uses: "actions/checkout@v4"
     ]
   end
 
diff --git a/test/git_hub_actions/workflow_test.exs b/test/git_hub_actions/workflow_test.exs
index d8a46c8..07f82d9 100644
--- a/test/git_hub_actions/workflow_test.exs
+++ b/test/git_hub_actions/workflow_test.exs
@@ -96,7 +96,7 @@ defmodule GitHubActions.WorkflowTest do
                    """,
                    "runs-on": "ubuntu-20.04",
                    steps: [
-                     [name: "Checkout", uses: "actions/checkout@v3"]
+                     [name: "Checkout", uses: "actions/checkout@v4"]
                    ]
                  ]
                ]
@@ -143,7 +143,7 @@ defmodule GitHubActions.WorkflowTest do
                    steps: [
                      [
                        name: "Checkout",
-                       uses: "actions/checkout@v3"
+                       uses: "actions/checkout@v4"
                      ],
                      [
                        name: "Setup Elixir",