diff --git a/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj b/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj
index a636bfe934..b7ac4d717d 100644
--- a/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj
+++ b/src/ReactiveUI.Fody.Analyzer/ReactiveUI.Fody.Analyzer.csproj
@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.0.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.5.0" PrivateAssets="all" />
-    <PackageReference Include="System.Collections.Immutable" Version="1.7.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
   </ItemGroup>
 
   <ItemGroup>