diff --git a/MCRA.Simulation.Commander/MCRA.Simulation.Commander.csproj b/MCRA.Simulation.Commander/MCRA.Simulation.Commander.csproj
index 1a4b0b73..3961f063 100644
--- a/MCRA.Simulation.Commander/MCRA.Simulation.Commander.csproj
+++ b/MCRA.Simulation.Commander/MCRA.Simulation.Commander.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.11" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.11" />
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="log4net" Version="3.2.0" />
+    <PackageReference Include="log4net" Version="3.3.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.11" />
   </ItemGroup>
 
diff --git a/MCRA.Simulation/MCRA.Simulation.csproj b/MCRA.Simulation/MCRA.Simulation.csproj
index 5fc91a8d..2654fe66 100644
--- a/MCRA.Simulation/MCRA.Simulation.csproj
+++ b/MCRA.Simulation/MCRA.Simulation.csproj
@@ -64,7 +64,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.11" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.11" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.11" />
-    <PackageReference Include="log4net" Version="3.2.0" />
+    <PackageReference Include="log4net" Version="3.3.0" />
     <PackageReference Include="pythonnet" Version="3.0.5" />
     <PackageReference Include="NCalcSync" Version="5.2.11" />
     <PackageReference Include="Svg" Version="3.4.7" />