diff --git a/src/TailoredApps.Shared.MediatR.Caching/TailoredApps.Shared.MediatR.Caching.csproj b/src/TailoredApps.Shared.MediatR.Caching/TailoredApps.Shared.MediatR.Caching.csproj
index 47f0ada..7cfe9e8 100644
--- a/src/TailoredApps.Shared.MediatR.Caching/TailoredApps.Shared.MediatR.Caching.csproj
+++ b/src/TailoredApps.Shared.MediatR.Caching/TailoredApps.Shared.MediatR.Caching.csproj
@@ -8,7 +8,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="MediatR" Version="13.*" />
+		<PackageReference Include="MediatR" Version="12.0.1" />
 	</ItemGroup>
 
 </Project>
diff --git a/src/TailoredApps.Shared.MediatR.Email/TailoredApps.Shared.MediatR.Email.csproj b/src/TailoredApps.Shared.MediatR.Email/TailoredApps.Shared.MediatR.Email.csproj
index cb7bb75..0374f38 100644
--- a/src/TailoredApps.Shared.MediatR.Email/TailoredApps.Shared.MediatR.Email.csproj
+++ b/src/TailoredApps.Shared.MediatR.Email/TailoredApps.Shared.MediatR.Email.csproj
@@ -12,7 +12,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="MediatR" Version="13.*" />
+		<PackageReference Include="MediatR" Version="12.0.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/src/TailoredApps.Shared.MediatR.PagedRequest/TailoredApps.Shared.MediatR.PagedRequest.csproj b/src/TailoredApps.Shared.MediatR.PagedRequest/TailoredApps.Shared.MediatR.PagedRequest.csproj
index 4c35f0d..0e42e80 100644
--- a/src/TailoredApps.Shared.MediatR.PagedRequest/TailoredApps.Shared.MediatR.PagedRequest.csproj
+++ b/src/TailoredApps.Shared.MediatR.PagedRequest/TailoredApps.Shared.MediatR.PagedRequest.csproj
@@ -8,7 +8,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="MediatR" Version="13.*" />
+		<PackageReference Include="MediatR" Version="12.0.1" />
 	</ItemGroup>
 
 	<ItemGroup>
diff --git a/src/TailoredApps.Shared.MediatR/TailoredApps.Shared.MediatR.csproj b/src/TailoredApps.Shared.MediatR/TailoredApps.Shared.MediatR.csproj
index a4fed28..6a611d6 100644
--- a/src/TailoredApps.Shared.MediatR/TailoredApps.Shared.MediatR.csproj
+++ b/src/TailoredApps.Shared.MediatR/TailoredApps.Shared.MediatR.csproj
@@ -26,7 +26,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="FluentValidation" Version="12.*" />
-		<PackageReference Include="MediatR" Version="13.*" />
+		<PackageReference Include="MediatR" Version="12.0.1" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.*" />
 		<PackageReference Include="Polly" Version="8.*" />
 		<PackageReference Include="Scrutor" Version="6.1.0" />