diff --git a/src/OpenIddict.EntityFramework/OpenIddict.EntityFramework.csproj b/src/OpenIddict.EntityFramework/OpenIddict.EntityFramework.csproj
index 2d72dcc4..65d32066 100644
--- a/src/OpenIddict.EntityFramework/OpenIddict.EntityFramework.csproj
+++ b/src/OpenIddict.EntityFramework/OpenIddict.EntityFramework.csproj
@@ -3,7 +3,7 @@
   <Import Project="..\..\build\packages.props" />
 
   <PropertyGroup>
-    <TargetFramework>net461</TargetFramework>
+    <TargetFramework>net451</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/test/OpenIddict.EntityFramework.Tests/OpenIddict.EntityFramework.Tests.csproj b/test/OpenIddict.EntityFramework.Tests/OpenIddict.EntityFramework.Tests.csproj
index 34576c2c..432a8bf1 100644
--- a/test/OpenIddict.EntityFramework.Tests/OpenIddict.EntityFramework.Tests.csproj
+++ b/test/OpenIddict.EntityFramework.Tests/OpenIddict.EntityFramework.Tests.csproj
@@ -3,7 +3,7 @@
   <Import Project="..\..\build\tests.props" />
 
   <PropertyGroup>
-    <TargetFramework>net461</TargetFramework>
+    <TargetFramework>net452</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>