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 6bb22a1ab..4c9cd0e1f 100644
--- a/src/Splat.Microsoft.Extensions.Logging/Splat.Microsoft.Extensions.Logging.csproj
+++ b/src/Splat.Microsoft.Extensions.Logging/Splat.Microsoft.Extensions.Logging.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
-    <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="1.6.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Splat\Splat.csproj" />
diff --git a/src/Splat.NLog/Splat.NLog.csproj b/src/Splat.NLog/Splat.NLog.csproj
index 8001ed22a..10751b7bf 100644
--- a/src/Splat.NLog/Splat.NLog.csproj
+++ b/src/Splat.NLog/Splat.NLog.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="NLog" Version="4.6.7" />
-    <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="1.6.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Splat\Splat.csproj" />
diff --git a/src/Splat.Serilog/Splat.Serilog.csproj b/src/Splat.Serilog/Splat.Serilog.csproj
index a4dfdb04e..b5debcccd 100644
--- a/src/Splat.Serilog/Splat.Serilog.csproj
+++ b/src/Splat.Serilog/Splat.Serilog.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Serilog" Version="2.8.0" />
-    <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />
+    <PackageReference Include="System.Collections.Immutable" Version="1.6.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Splat\Splat.csproj" />