diff --git a/MiraiNotes.Core/MiraiNotes.Core.csproj b/MiraiNotes.Core/MiraiNotes.Core.csproj
index 0f97451d..69941e56 100644
--- a/MiraiNotes.Core/MiraiNotes.Core.csproj
+++ b/MiraiNotes.Core/MiraiNotes.Core.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Refit" Version="4.7.9" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.7.0" />
   </ItemGroup>
diff --git a/MiraiNotes.Shared/MiraiNotes.Shared.csproj b/MiraiNotes.Shared/MiraiNotes.Shared.csproj
index 7fdcaec6..a8f65ccc 100644
--- a/MiraiNotes.Shared/MiraiNotes.Shared.csproj
+++ b/MiraiNotes.Shared/MiraiNotes.Shared.csproj
@@ -35,7 +35,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Refit" Version="4.7.9" />
     <PackageReference Include="Serilog" Version="2.9.0" />
   </ItemGroup>
diff --git a/MiraiNotes.UWP/MiraiNotes.UWP.csproj b/MiraiNotes.UWP/MiraiNotes.UWP.csproj
index 8adbbd73..6a73fa4d 100644
--- a/MiraiNotes.UWP/MiraiNotes.UWP.csproj
+++ b/MiraiNotes.UWP/MiraiNotes.UWP.csproj
@@ -381,7 +381,7 @@
       <Version>5.4.1.1</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
-      <Version>12.0.3</Version>
+      <Version>13.0.2</Version>
     </PackageReference>
     <PackageReference Include="Serilog">
       <Version>2.9.0</Version>