diff --git a/core/Dockerfile b/core/Dockerfile
index 4bf139f..7ffa114 100644
--- a/core/Dockerfile
+++ b/core/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:7.0 AS build
 WORKDIR /Build
 ADD ./src .
 RUN dotnet publish -c Release