diff --git a/Dockerfile b/Dockerfile
index 0e1f9f2..bb15a78 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:7.0
+FROM mcr.microsoft.com/dotnet/sdk:6.0
 
 ARG NUGET_URL
 ARG NUGET_USER