diff --git a/src/Stravaig.Configuration.Diagnostics.Serilog/Stravaig.Configuration.Diagnostics.Serilog.csproj b/src/Stravaig.Configuration.Diagnostics.Serilog/Stravaig.Configuration.Diagnostics.Serilog.csproj
index 6519c94..d010b3e 100644
--- a/src/Stravaig.Configuration.Diagnostics.Serilog/Stravaig.Configuration.Diagnostics.Serilog.csproj
+++ b/src/Stravaig.Configuration.Diagnostics.Serilog/Stravaig.Configuration.Diagnostics.Serilog.csproj
@@ -48,7 +48,7 @@ Release notes at: $(StravaigReleaseNotes)
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="Serilog" Version="2.12.0" />
+      <PackageReference Include="Serilog" Version="3.1.1" />
     </ItemGroup>
     
 </Project>
diff --git a/src/Stravaig.Configuration.Diagnostics.Tests/Stravaig.Configuration.Diagnostics.Tests.csproj b/src/Stravaig.Configuration.Diagnostics.Tests/Stravaig.Configuration.Diagnostics.Tests.csproj
index 524310c..9800785 100644
--- a/src/Stravaig.Configuration.Diagnostics.Tests/Stravaig.Configuration.Diagnostics.Tests.csproj
+++ b/src/Stravaig.Configuration.Diagnostics.Tests/Stravaig.Configuration.Diagnostics.Tests.csproj
@@ -11,7 +11,7 @@
         <PackageReference Include="nunit" Version="3.14.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-        <PackageReference Include="Serilog" Version="2.12.0" />
+        <PackageReference Include="Serilog" Version="3.1.1" />
         <PackageReference Include="Serilog.Formatting.Compact" Version="1.1.0" />
         <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" /> 
         <PackageReference Include="Serilog.Sinks.TextWriter" Version="2.1.0" />