diff --git a/.github/workflows/nuget-static-graphics.yml b/.github/workflows/nuget-static-graphics.yml
index 663265b..4ecb7a4 100644
--- a/.github/workflows/nuget-static-graphics.yml
+++ b/.github/workflows/nuget-static-graphics.yml
@@ -258,6 +258,18 @@ jobs:
       - name: Pack NuGet package
         run: dotnet pack NuGet/StaticGraphics/StaticLink.Avalonia.csproj -c Release -o artifacts/nuget
 
+      - name: Verify portable NuGet paths
+        shell: bash
+        run: |
+          package=$(find artifacts/nuget -name 'StaticLink.Avalonia.*.nupkg' ! -name 'StaticLink.Avalonia.Native.*.nupkg' -print -quit)
+          test -n "$package"
+          if unzip -Z1 "$package" | grep -F '\'; then
+            echo "NuGet package contains Windows-only backslash paths."
+            exit 1
+          fi
+          unzip -Z1 "$package" | grep -Fx 'buildTransitive/StaticLink.Avalonia.props'
+          unzip -Z1 "$package" | grep -Fx 'buildTransitive/StaticLink.Avalonia.targets'
+
       - name: Upload NuGet artifact
         uses: actions/upload-artifact@v4
         with:
diff --git a/NuGet/StaticGraphics/README.md b/NuGet/StaticGraphics/README.md
index ac21f9c..25b8557 100644
--- a/NuGet/StaticGraphics/README.md
+++ b/NuGet/StaticGraphics/README.md
@@ -11,7 +11,7 @@ dotnet add package StaticLink.Avalonia
 Or add it manually:
 
 ```xml
-<PackageReference Include="StaticLink.Avalonia" Version="3.119.2-7151.10" />
+<PackageReference Include="StaticLink.Avalonia" Version="3.119.2-7151.12" />
 ```
 
 For macOS, also reference `StaticLink.Avalonia.Native`. This package is macOS-only and must match your Avalonia version because it contains `libAvaloniaNative.a`.
diff --git a/NuGet/StaticGraphics/StaticLink.Avalonia.csproj b/NuGet/StaticGraphics/StaticLink.Avalonia.csproj
index 86394a3..e80b992 100644
--- a/NuGet/StaticGraphics/StaticLink.Avalonia.csproj
+++ b/NuGet/StaticGraphics/StaticLink.Avalonia.csproj
@@ -6,7 +6,7 @@
         <IncludeBuildOutput>false</IncludeBuildOutput>
         <SuppressDependenciesWhenPacking>false</SuppressDependenciesWhenPacking>
         <PackageId>StaticLink.Avalonia</PackageId>
-        <Version>3.119.2-7151.10</Version>
+        <Version>3.119.2-7151.12</Version>
         <Authors>greepar</Authors>
         <Company>greepar</Company>
         <Description>Static SkiaSharp, HarfBuzzSharp, and ANGLE libraries for Avalonia NativeAOT single-file publishing.</Description>
diff --git a/README.md b/README.md
index b8cb49f..af84e2f 100644
--- a/README.md
+++ b/README.md
@@ -11,10 +11,10 @@ dotnet add package StaticLink.Avalonia
 Or add it manually:
 
 ```xml
-<PackageReference Include="StaticLink.Avalonia" Version="3.119.2-7151.11" />
+<PackageReference Include="StaticLink.Avalonia" Version="3.119.2-7151.12" />
 ```
 
-`3.119.2-7151.11` supports Avalonia 11. If you need the SkiaSharp 2 line for an Avalonia 11 project, use this optional package variant:
+`3.119.2-7151.12` supports Avalonia 11. If you need the SkiaSharp 2 line for an Avalonia 11 project, use this optional package variant:
 
 ```xml
 <PackageReference Include="StaticLink.Avalonia" Version="2.88.9-7151.10" />