diff --git a/MCP2221IOConsole/MCP2221IOConsole.csproj b/MCP2221IOConsole/MCP2221IOConsole.csproj
index 4455a81..e7fb49e 100644
--- a/MCP2221IOConsole/MCP2221IOConsole.csproj
+++ b/MCP2221IOConsole/MCP2221IOConsole.csproj
@@ -21,7 +21,7 @@
             3.0.0 Upgraded to .net 8
             4.0.0 Updated to new version of MCP2221IO
         </PackageReleaseNotes>
-        <Version>3.0.0</Version>
+        <Version>4.0.0</Version>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/PModAqs/PModAqs.csproj b/PModAqs/PModAqs.csproj
index 3610642..4e4ce78 100644
--- a/PModAqs/PModAqs.csproj
+++ b/PModAqs/PModAqs.csproj
@@ -4,7 +4,7 @@
         <OutputType>Exe</OutputType>
         <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
-        <Version>3.0.0</Version>
+        <Version>4.0.0</Version>
     </PropertyGroup>
 
     <ItemGroup>