diff --git a/docs/task-01-create-project-structure.md b/docs/task-01-create-project-structure.md
index 97a2976..8564ec7 100644
--- a/docs/task-01-create-project-structure.md
+++ b/docs/task-01-create-project-structure.md
@@ -30,8 +30,8 @@ Edit: `src/Fengling.AuthService/Fengling.AuthService.csproj`
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="OpenIddict.AspNetCore" Version="7.2.0" />
-    <PackageReference Include="OpenIddict.EntityFrameworkCore" Version="7.2.0" />
+    <PackageReference Include="OpenIddict.AspNetCore" Version="5.0.2" />
+    <PackageReference Include="OpenIddict.EntityFrameworkCore" Version="5.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="9.0.0" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="8.0.0" />
diff --git a/src/Fengling.AuthService/Fengling.AuthService.csproj b/src/Fengling.AuthService/Fengling.AuthService.csproj
index c7f9056..38a09d5 100644
--- a/src/Fengling.AuthService/Fengling.AuthService.csproj
+++ b/src/Fengling.AuthService/Fengling.AuthService.csproj
@@ -6,8 +6,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="OpenIddict.AspNetCore" Version="7.2.0" />
-    <PackageReference Include="OpenIddict.EntityFrameworkCore" Version="7.2.0" />
+    <PackageReference Include="OpenIddict.AspNetCore" Version="5.0.2" />
+    <PackageReference Include="OpenIddict.EntityFrameworkCore" Version="5.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="9.0.0" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="8.0.0" />