diff --git a/Source/LibationUiBase/LibationUiBase.csproj b/Source/LibationUiBase/LibationUiBase.csproj
index c3c51eb6..01add8ee 100644
--- a/Source/LibationUiBase/LibationUiBase.csproj
+++ b/Source/LibationUiBase/LibationUiBase.csproj
@@ -10,9 +10,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-	<!-- Rasterizes the Liberate column's icons. Kept on the same major version as the one
-	     Avalonia.Skia resolves, so the Avalonia app doesn't get a mismatched native Skia. -->
-	<PackageReference Include="SkiaSharp" Version="3.119.4" />
+	<!-- Rasterizes the Liberate column's icons. Bounded to [3.119.4, 4.0.0) so package updaters
+	     cannot bump to 4.x, which removes native entry points expected by Avalonia.Skia (e.g. #2115). -->
+	<PackageReference Include="SkiaSharp" Version="[3.119.4, 4.0.0)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/_Tests/LibationUiBase.Tests/LibationUiBase.Tests.csproj b/Source/_Tests/LibationUiBase.Tests/LibationUiBase.Tests.csproj
index efc348fd..c7506689 100644
--- a/Source/_Tests/LibationUiBase.Tests/LibationUiBase.Tests.csproj
+++ b/Source/_Tests/LibationUiBase.Tests/LibationUiBase.Tests.csproj
@@ -12,8 +12,9 @@
     <PackageReference Include="MSTest" Version="4.5.1" />
 	<PackageReference Include="Google.Protobuf" Version="3.36.2" />
     <!-- The Liberate icon tests rasterize with SkiaSharp, whose Linux native isn't
-         brought in by the SkiaSharp package itself the way Windows' and macOS' are. -->
-    <PackageReference Include="SkiaSharp.NativeAssets.Linux" Version="3.119.4" Condition="$([MSBuild]::IsOSPlatform('Linux'))" />
+         brought in by the SkiaSharp package itself the way Windows' and macOS' are.
+         Bounded to [3.119.4, 4.0.0) to match LibationUiBase and Avalonia.Skia. -->
+    <PackageReference Include="SkiaSharp.NativeAssets.Linux" Version="[3.119.4, 4.0.0)" Condition="$([MSBuild]::IsOSPlatform('Linux'))" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Source/_Tests/LibationUiBase.Tests/SkiaVersionCheck.cs b/Source/_Tests/LibationUiBase.Tests/SkiaVersionCheck.cs
index 56c09267..cf014aeb 100644
--- a/Source/_Tests/LibationUiBase.Tests/SkiaVersionCheck.cs
+++ b/Source/_Tests/LibationUiBase.Tests/SkiaVersionCheck.cs
@@ -7,7 +7,15 @@ namespace LibationUiBase.Tests;
 [TestClass]
 public class SkiaVersionCheck
 {
-
+	/// <summary>
+	/// Avalonia.Skia runtime links against native SkiaSharp symbols (e.g. sk_fontmgr_ref_default).
+	/// Major upgrades such as SkiaSharp 4.x remove or rename these native exports, causing an
+	/// EntryPointNotFoundException crash on launch for Avalonia apps on macOS and Linux (#2115).
+	///
+	/// LibationUiBase locks the SkiaSharp PackageReference to [3.119.4, 4.0.0) so package updaters
+	/// and automated bots do not bump past 3.x. This test acts as a safety net in CI if the
+	/// PackageReference is ever manually changed or overridden.
+	/// </summary>
 	[TestMethod]
 	public void SkiaVersionIs3x()
 	{