diff --git a/FileDbCache/WPF/FileDbCache.WPF.csproj b/FileDbCache/WPF/FileDbCache.WPF.csproj
index dc1e9e33..5b3f2051 100644
--- a/FileDbCache/WPF/FileDbCache.WPF.csproj
+++ b/FileDbCache/WPF/FileDbCache.WPF.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0-windows;net5.0-windows;netcoreapp3.1;net48;net462</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net48;net462</TargetFrameworks>
         <UseWPF>true</UseWPF>
         <RootNamespace>MapControl.Caching</RootNamespace>
         <AssemblyTitle>XAML Map Control FileDbCache Library for WPF</AssemblyTitle>
@@ -25,12 +25,7 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)'=='net6.0-windows'">
-        <PackageReference Include="System.Runtime.Caching" Version="6.0.0" />
-        <PackageReference Include="FileDb.Standard" Version="7.4.4" />
-    </ItemGroup>
-
-    <ItemGroup Condition="'$(TargetFramework)'=='net5.0-windows' or '$(TargetFramework)'=='netcoreapp3.1'">
-        <PackageReference Include="System.Runtime.Caching" Version="5.0.0" />
+        <PackageReference Include="System.Runtime.Caching" Version="7.0.0" />
         <PackageReference Include="FileDb.Standard" Version="7.4.4" />
     </ItemGroup>
 
diff --git a/MBTiles/WPF/MBTiles.WPF.csproj b/MBTiles/WPF/MBTiles.WPF.csproj
index 004c637f..fd9b79ab 100644
--- a/MBTiles/WPF/MBTiles.WPF.csproj
+++ b/MBTiles/WPF/MBTiles.WPF.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0-windows;net5.0-windows;netcoreapp3.1;net48;net462</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net48;net462</TargetFrameworks>
         <UseWPF>true</UseWPF>
         <RootNamespace>MapControl.MBTiles</RootNamespace>
         <AssemblyTitle>XAML Map Control MBTiles Library for WPF</AssemblyTitle>
diff --git a/MapControl/WPF/MapControl.WPF.csproj b/MapControl/WPF/MapControl.WPF.csproj
index 3cc92356..5e796d99 100644
--- a/MapControl/WPF/MapControl.WPF.csproj
+++ b/MapControl/WPF/MapControl.WPF.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0-windows;net5.0-windows;netcoreapp3.1;net48;net462</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net48;net462</TargetFrameworks>
         <UseWPF>true</UseWPF>
         <RootNamespace>MapControl</RootNamespace>
         <AssemblyTitle>XAML Map Control Library for WPF</AssemblyTitle>
@@ -25,11 +25,7 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)'=='net6.0-windows'">
-        <PackageReference Include="System.Runtime.Caching" Version="6.0.0" />
-    </ItemGroup>
-
-    <ItemGroup Condition="'$(TargetFramework)'=='net5.0-windows' or '$(TargetFramework)'=='netcoreapp3.1'">
-        <PackageReference Include="System.Runtime.Caching" Version="5.0.0" />
+        <PackageReference Include="System.Runtime.Caching" Version="7.0.0" />
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)'=='net48' or '$(TargetFramework)'=='net462'">
diff --git a/MapProjections/WPF/MapProjections.WPF.csproj b/MapProjections/WPF/MapProjections.WPF.csproj
index deed408b..5b98c4db 100644
--- a/MapProjections/WPF/MapProjections.WPF.csproj
+++ b/MapProjections/WPF/MapProjections.WPF.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0-windows;net5.0-windows;netcoreapp3.1;net48;net462</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net48;net462</TargetFrameworks>
         <UseWPF>true</UseWPF>
         <RootNamespace>MapControl.Projections</RootNamespace>
         <AssemblyTitle>XAML Map Control Projections Library for WPF</AssemblyTitle>
diff --git a/MapUiTools/WPF/MapUiTools.WPF.csproj b/MapUiTools/WPF/MapUiTools.WPF.csproj
index 06466970..ea94cf94 100644
--- a/MapUiTools/WPF/MapUiTools.WPF.csproj
+++ b/MapUiTools/WPF/MapUiTools.WPF.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0-windows;net5.0-windows;netcoreapp3.1;net48;net462</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net48;net462</TargetFrameworks>
         <UseWPF>true</UseWPF>
         <RootNamespace>MapControl.UiTools</RootNamespace>
         <AssemblyTitle>XAML Map Control UI Tools Library for WPF</AssemblyTitle>
diff --git a/SQLiteCache/WPF/SQLiteCache.WPF.csproj b/SQLiteCache/WPF/SQLiteCache.WPF.csproj
index 26223283..bc13729e 100644
--- a/SQLiteCache/WPF/SQLiteCache.WPF.csproj
+++ b/SQLiteCache/WPF/SQLiteCache.WPF.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFrameworks>net6.0-windows;net5.0-windows;netcoreapp3.1;net48;net462</TargetFrameworks>
+        <TargetFrameworks>net6.0-windows;net48;net462</TargetFrameworks>
         <UseWPF>true</UseWPF>
         <RootNamespace>MapControl.Caching</RootNamespace>
         <AssemblyTitle>XAML Map Control SQLiteCache Library for WPF</AssemblyTitle>
@@ -25,11 +25,7 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)'=='net6.0-windows'">
-        <PackageReference Include="System.Runtime.Caching" Version="6.0.0" />
-    </ItemGroup>
-
-    <ItemGroup Condition="'$(TargetFramework)'=='net5.0-windows' or '$(TargetFramework)'=='netcoreapp3.1'">
-        <PackageReference Include="System.Runtime.Caching" Version="5.0.0" />
+        <PackageReference Include="System.Runtime.Caching" Version="7.0.0" />
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)'=='net48' or '$(TargetFramework)'=='net462'">