diff --git a/ILSpy.BamlDecompiler/ILSpy.BamlDecompiler.csproj b/ILSpy.BamlDecompiler/ILSpy.BamlDecompiler.csproj
index d06b68f1f..703e7fe45 100644
--- a/ILSpy.BamlDecompiler/ILSpy.BamlDecompiler.csproj
+++ b/ILSpy.BamlDecompiler/ILSpy.BamlDecompiler.csproj
@@ -36,7 +36,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AvalonEdit" Version="6.0.1" />
+    <PackageReference Include="AvalonEdit" Version="6.1.0-preview1" />
     <PackageReference Include="System.Composition" Version="1.3.0" />
   </ItemGroup>
 
diff --git a/ILSpy/ILSpy.csproj b/ILSpy/ILSpy.csproj
index 56297314e..f0e88dc0a 100644
--- a/ILSpy/ILSpy.csproj
+++ b/ILSpy/ILSpy.csproj
@@ -49,7 +49,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AvalonEdit" Version="6.0.1" />
+    <PackageReference Include="AvalonEdit" Version="6.1.0-preview1" />
     <PackageReference Include="Dirkster.AvalonDock" Version="3.6.1" />
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="16.3.7" />
     <PackageReference Include="System.Composition" Version="1.3.0" />