diff --git a/.github/actions/nuget-publish/action.yml b/.github/actions/nuget-publish/action.yml
index edd9a433..396af293 100644
--- a/.github/actions/nuget-publish/action.yml
+++ b/.github/actions/nuget-publish/action.yml
@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89880021..1069bcd7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Test Auth0.Core
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Test Auth0.AuthenticationApi
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:
@@ -103,7 +103,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Test Auth0.ManagementApi
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:
diff --git a/.github/workflows/nuget-release.yml b/.github/workflows/nuget-release.yml
index bcb43ba3..d16496fc 100644
--- a/.github/workflows/nuget-release.yml
+++ b/.github/workflows/nuget-release.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       # Checkout the code
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 672e2ff8..2bab7f98 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -72,7 +72,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
       
diff --git a/.github/workflows/rl-secure.yml b/.github/workflows/rl-secure.yml
index b89b3004..9f8fbf75 100644
--- a/.github/workflows/rl-secure.yml
+++ b/.github/workflows/rl-secure.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/snyk.yml b/.github/workflows/snyk.yml
index e4fdbb12..6061fb1c 100644
--- a/.github/workflows/snyk.yml
+++ b/.github/workflows/snyk.yml
@@ -30,7 +30,7 @@ jobs:
       - if: github.actor == 'dependabot[bot]' || github.event_name == 'merge_group'
         run: exit 0 # Skip unnecessary test runs for dependabot and merge queues. Artifically flag as successful, as this is a required check for branch protection.
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.merge_commit_sha || github.ref }}
 
diff --git a/src/Auth0.Core/Auth0.Core.csproj b/src/Auth0.Core/Auth0.Core.csproj
index 2cc7964f..5b471cf0 100644
--- a/src/Auth0.Core/Auth0.Core.csproj
+++ b/src/Auth0.Core/Auth0.Core.csproj
@@ -15,7 +15,7 @@
 
   <!-- Package Dependencies -->
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
   </ItemGroup>
 
   <!-- Framework-specific References -->