diff --git a/src/Splat.Exceptionless/Splat.Exceptionless.csproj b/src/Splat.Exceptionless/Splat.Exceptionless.csproj
index 3c37ce536..39e7246ee 100644
--- a/src/Splat.Exceptionless/Splat.Exceptionless.csproj
+++ b/src/Splat.Exceptionless/Splat.Exceptionless.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Exceptionless" Version="4.6.2" />
-    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Splat.Microsoft.Extensions.Logging/Splat.Microsoft.Extensions.Logging.csproj b/src/Splat.Microsoft.Extensions.Logging/Splat.Microsoft.Extensions.Logging.csproj
index f87652232..90b5eace7 100644
--- a/src/Splat.Microsoft.Extensions.Logging/Splat.Microsoft.Extensions.Logging.csproj
+++ b/src/Splat.Microsoft.Extensions.Logging/Splat.Microsoft.Extensions.Logging.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="5.0.0" />
-    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="6.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Splat\Splat.csproj" />
diff --git a/src/Splat.NLog/Splat.NLog.csproj b/src/Splat.NLog/Splat.NLog.csproj
index 8c3d78b17..ce08a5de5 100644
--- a/src/Splat.NLog/Splat.NLog.csproj
+++ b/src/Splat.NLog/Splat.NLog.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="NLog" Version="4.7.12" />
-    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="6.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Splat\Splat.csproj" />
diff --git a/src/Splat.Serilog/Splat.Serilog.csproj b/src/Splat.Serilog/Splat.Serilog.csproj
index e83f24d50..d82fede15 100644
--- a/src/Splat.Serilog/Splat.Serilog.csproj
+++ b/src/Splat.Serilog/Splat.Serilog.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Serilog" Version="2.10.0" />
-    <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="6.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Splat\Splat.csproj" />