diff --git a/anvil/Dockerfile b/anvil/Dockerfile
index c645484..2006a87 100644
--- a/anvil/Dockerfile
+++ b/anvil/Dockerfile
@@ -1,5 +1,5 @@
 # Pull Dotnet image to build the project
-FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:6.0.401 AS build
 
 ADD ./src/services /Build
 WORKDIR /Build/HelloWorld