diff --git a/src/Whipstaff.Core/Whipstaff.Core.csproj b/src/Whipstaff.Core/Whipstaff.Core.csproj
index 1dbf0b6bf..351a4ded9 100644
--- a/src/Whipstaff.Core/Whipstaff.Core.csproj
+++ b/src/Whipstaff.Core/Whipstaff.Core.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="12.2.0" />
+    <PackageReference Include="MediatR" Version="12.3.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
diff --git a/src/Whipstaff.MediatR.EntityFrameworkCore/Whipstaff.MediatR.EntityFrameworkCore.csproj b/src/Whipstaff.MediatR.EntityFrameworkCore/Whipstaff.MediatR.EntityFrameworkCore.csproj
index cc0996507..8138ff2ad 100644
--- a/src/Whipstaff.MediatR.EntityFrameworkCore/Whipstaff.MediatR.EntityFrameworkCore.csproj
+++ b/src/Whipstaff.MediatR.EntityFrameworkCore/Whipstaff.MediatR.EntityFrameworkCore.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="12.2.0" />
+    <PackageReference Include="MediatR" Version="12.3.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.6" />
   </ItemGroup>
 
diff --git a/src/Whipstaff.MediatR.Foundatio/Whipstaff.MediatR.Foundatio.csproj b/src/Whipstaff.MediatR.Foundatio/Whipstaff.MediatR.Foundatio.csproj
index 6007307f7..0036e5a3b 100644
--- a/src/Whipstaff.MediatR.Foundatio/Whipstaff.MediatR.Foundatio.csproj
+++ b/src/Whipstaff.MediatR.Foundatio/Whipstaff.MediatR.Foundatio.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Foundatio" Version="10.7.1" />
-    <PackageReference Include="MediatR" Version="12.2.0" />
+    <PackageReference Include="MediatR" Version="12.3.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.0" />
     <PackageReference Include="System.Reactive" Version="6.0.1" />
   </ItemGroup>
diff --git a/src/Whipstaff.MediatR/Whipstaff.MediatR.csproj b/src/Whipstaff.MediatR/Whipstaff.MediatR.csproj
index 0884be9ba..89ce96ef4 100644
--- a/src/Whipstaff.MediatR/Whipstaff.MediatR.csproj
+++ b/src/Whipstaff.MediatR/Whipstaff.MediatR.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="12.2.0" />
+    <PackageReference Include="MediatR" Version="12.3.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Whipstaff.OpenXml/Whipstaff.OpenXml.csproj b/src/Whipstaff.OpenXml/Whipstaff.OpenXml.csproj
index 222a9e547..5bd88320b 100644
--- a/src/Whipstaff.OpenXml/Whipstaff.OpenXml.csproj
+++ b/src/Whipstaff.OpenXml/Whipstaff.OpenXml.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
       <PackageReference Include="DocumentFormat.OpenXml" Version="3.0.2" />
-      <PackageReference Include="MediatR" Version="12.2.0" />
+      <PackageReference Include="MediatR" Version="12.3.0" />
   </ItemGroup>
 
   <ItemGroup>