diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 08b421d..b1b4e1c 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -7,6 +7,8 @@ on:
       - "release/*"
     tags:
       - "*"
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
 
 permissions: read-all
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44c065c..27ff466 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,8 @@ on:
   pull_request:
     branches:
       - main
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
 
 permissions: read-all
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 094d3db..b82ec93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## 2.6.1 (2023-04-02)
+
+- [Build symbol package and publish it to NuGet.org](https://learn.microsoft.com/nuget/create-packages/symbol-packages-snupkg)
+- [Enabling Central Package Management](https://learn.microsoft.com/nuget/consume-packages/central-package-management)
+
 ## 2.6.0 (2022-08-29)
 
 - [Supports sending access token in form-encoded body or query parameter](https://www.rfc-editor.org/rfc/rfc6750#section-2.2)
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index e8c1b86..c75ccfe 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -5,12 +5,13 @@
   <PropertyGroup>
     <PackageProjectUrl>https://github.com/akunzai/GSS.Authorization.OAuth</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <Nullable>enable</Nullable>
-    <Version>2.6.0</Version>
+    <Version>2.6.1</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release' ">