diff --git a/services/thumbnails/csharp/Thumbnails.csproj b/services/thumbnails/csharp/Thumbnails.csproj
index 8aef9be..84908c9 100644
--- a/services/thumbnails/csharp/Thumbnails.csproj
+++ b/services/thumbnails/csharp/Thumbnails.csproj
@@ -1,14 +1,14 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="Google.Cloud.Storage.V1" Version="3.0.0" />
-    <PackageReference Include="Google.Cloud.Firestore" Version="2.1.0" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="1.0.0-rc0001" />
-  </ItemGroup>
-
-</Project>
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="Google.Cloud.Storage.V1" Version="3.0.0" />
+    <PackageReference Include="Google.Cloud.Firestore" Version="2.1.0" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.8" />
+  </ItemGroup>
+
+</Project>