diff --git a/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj b/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj
index d7437fc1..fc3b675c 100644
--- a/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj
+++ b/src/ServiceInsight.CustomViewer.Plugin/ServiceInsight.CustomViewer.Plugin.csproj
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="Autofac" Version="7.1.0" />
     <PackageReference Include="Autofac.Configuration" Version="6.0.0" />
-    <PackageReference Include="AvalonEdit" Version="6.3.0.90" />
+    <PackageReference Include="AvalonEdit" Version="6.3.1.120" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/src/ServiceInsight/ServiceInsight.csproj b/src/ServiceInsight/ServiceInsight.csproj
index e9dc9112..fa548f77 100644
--- a/src/ServiceInsight/ServiceInsight.csproj
+++ b/src/ServiceInsight/ServiceInsight.csproj
@@ -43,7 +43,7 @@
   <ItemGroup>
     <PackageReference Include="Autofac" Version="7.1.0" />
     <PackageReference Include="Autofac.Configuration" Version="6.0.0" />
-    <PackageReference Include="AvalonEdit" Version="6.3.0.90" />
+    <PackageReference Include="AvalonEdit" Version="6.3.1.120" />
     <PackageReference Include="Gong-wpf-dragdrop" Version="3.2.1" />
     <PackageReference Include="Humanizer" Version="2.14.1" />
     <PackageReference Include="Mindscape.Raygun4Net" Version="8.0.0" />