diff --git a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.Android/HelloWorld.Android.csproj b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.Android/HelloWorld.Android.csproj
index d8017c787..63e58d1b6 100644
--- a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.Android/HelloWorld.Android.csproj
+++ b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.Android/HelloWorld.Android.csproj
@@ -48,7 +48,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="Xamarin.Android.Support.Design" Version="28.0.0.1" />
     <PackageReference Include="Xamarin.Android.Support.v7.AppCompat" Version="28.0.0.1" />
     <PackageReference Include="Xamarin.Android.Support.v4" Version="28.0.0.1" />
diff --git a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.UWP/HelloWorld.UWP.csproj b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.UWP/HelloWorld.UWP.csproj
index 244343c25..e6fb42142 100644
--- a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.UWP/HelloWorld.UWP.csproj
+++ b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.UWP/HelloWorld.UWP.csproj
@@ -143,7 +143,7 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="6.2.8" />
   </ItemGroup>
   <ItemGroup>
diff --git a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.iOS/HelloWorld.iOS.csproj b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.iOS/HelloWorld.iOS.csproj
index e0d4354c5..2e4233e9c 100644
--- a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.iOS/HelloWorld.iOS.csproj
+++ b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld.iOS/HelloWorld.iOS.csproj
@@ -149,7 +149,7 @@
     <Reference Include="Xamarin.iOS" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
   <ItemGroup>
diff --git a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld/HelloWorld.csproj b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld/HelloWorld.csproj
index 8daee2444..1e709ee20 100644
--- a/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld/HelloWorld.csproj
+++ b/Sandbox/Xamarin/HelloWorld/HelloWorld/HelloWorld/HelloWorld.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Sandbox/Xamarin/HelloWorld/ModuleA/ModuleA.csproj b/Sandbox/Xamarin/HelloWorld/ModuleA/ModuleA.csproj
index 09f9a9abb..bf5105e1a 100644
--- a/Sandbox/Xamarin/HelloWorld/ModuleA/ModuleA.csproj
+++ b/Sandbox/Xamarin/HelloWorld/ModuleA/ModuleA.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/Xamarin/Prism.DryIoc.Forms.Tests/Prism.DryIoc.Forms.Tests.csproj b/Source/Xamarin/Prism.DryIoc.Forms.Tests/Prism.DryIoc.Forms.Tests.csproj
index a4ab0ad59..68de245f5 100644
--- a/Source/Xamarin/Prism.DryIoc.Forms.Tests/Prism.DryIoc.Forms.Tests.csproj
+++ b/Source/Xamarin/Prism.DryIoc.Forms.Tests/Prism.DryIoc.Forms.Tests.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>
diff --git a/Source/Xamarin/Prism.Forms.Tests/Prism.Forms.Tests.csproj b/Source/Xamarin/Prism.Forms.Tests/Prism.Forms.Tests.csproj
index 1b4ebb10f..f2101ce22 100644
--- a/Source/Xamarin/Prism.Forms.Tests/Prism.Forms.Tests.csproj
+++ b/Source/Xamarin/Prism.Forms.Tests/Prism.Forms.Tests.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>
diff --git a/Source/Xamarin/Prism.Forms/Prism.Forms.csproj b/Source/Xamarin/Prism.Forms/Prism.Forms.csproj
index 6d9a5f434..7323b3415 100644
--- a/Source/Xamarin/Prism.Forms/Prism.Forms.csproj
+++ b/Source/Xamarin/Prism.Forms/Prism.Forms.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-19270-01" PrivateAssets="All" />
   </ItemGroup>
 
diff --git a/Source/Xamarin/Prism.Unity.Forms.Tests/Prism.Unity.Forms.Tests.csproj b/Source/Xamarin/Prism.Unity.Forms.Tests/Prism.Unity.Forms.Tests.csproj
index ef5402062..70484db6f 100644
--- a/Source/Xamarin/Prism.Unity.Forms.Tests/Prism.Unity.Forms.Tests.csproj
+++ b/Source/Xamarin/Prism.Unity.Forms.Tests/Prism.Unity.Forms.Tests.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
-    <PackageReference Include="Xamarin.Forms" Version="4.0.0.425677" />
+    <PackageReference Include="Xamarin.Forms" Version="3.6.0.344457" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>