diff --git a/src/jjm.one.Serilog.Sinks.SlackWebHook.Example/jjm.one.Serilog.Sinks.SlackWebHook.Example.csproj b/src/jjm.one.Serilog.Sinks.SlackWebHook.Example/jjm.one.Serilog.Sinks.SlackWebHook.Example.csproj
index 37193a6..db417cb 100644
--- a/src/jjm.one.Serilog.Sinks.SlackWebHook.Example/jjm.one.Serilog.Sinks.SlackWebHook.Example.csproj
+++ b/src/jjm.one.Serilog.Sinks.SlackWebHook.Example/jjm.one.Serilog.Sinks.SlackWebHook.Example.csproj
@@ -27,7 +27,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Serilog" Version="3.0.1"/>
+        <PackageReference Include="Serilog" Version="3.1.1"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/src/jjm.one.Serilog.Sinks.SlackWebHook.Tests/jjm.one.Serilog.Sinks.SlackWebHook.Tests.csproj b/src/jjm.one.Serilog.Sinks.SlackWebHook.Tests/jjm.one.Serilog.Sinks.SlackWebHook.Tests.csproj
index 1680afc..14cd66d 100644
--- a/src/jjm.one.Serilog.Sinks.SlackWebHook.Tests/jjm.one.Serilog.Sinks.SlackWebHook.Tests.csproj
+++ b/src/jjm.one.Serilog.Sinks.SlackWebHook.Tests/jjm.one.Serilog.Sinks.SlackWebHook.Tests.csproj
@@ -33,7 +33,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2"/>
-        <PackageReference Include="Serilog" Version="3.0.1"/>
+        <PackageReference Include="Serilog" Version="3.1.1"/>
         <PackageReference Include="Slack.Webhooks" Version="1.1.5"/>
     </ItemGroup>
 
diff --git a/src/jjm.one.Serilog.Sinks.SlackWebHook/jjm.one.Serilog.Sinks.SlackWebHook.csproj b/src/jjm.one.Serilog.Sinks.SlackWebHook/jjm.one.Serilog.Sinks.SlackWebHook.csproj
index 5b8b681..f068f18 100644
--- a/src/jjm.one.Serilog.Sinks.SlackWebHook/jjm.one.Serilog.Sinks.SlackWebHook.csproj
+++ b/src/jjm.one.Serilog.Sinks.SlackWebHook/jjm.one.Serilog.Sinks.SlackWebHook.csproj
@@ -40,7 +40,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Serilog" Version="3.0.1"/>
+        <PackageReference Include="Serilog" Version="3.1.1"/>
         <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="3.1.0"/>
         <PackageReference Include="Slack.Webhooks" Version="1.1.5"/>
     </ItemGroup>