diff --git a/src/Dockerfile b/src/Dockerfile
index 72214ef..f057cf3 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS builder
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS builder
 
 WORKDIR /src
 COPY ./ /src