diff --git a/Dockerfile b/Dockerfile
index e743abd..4114efb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ COPY . .
 RUN dotnet restore
 RUN dotnet publish BervProject.MergePDFOnline.Console -c Release -o /app/publish
 
-FROM mcr.microsoft.com/dotnet/runtime:8.0-alpine as runtime
+FROM mcr.microsoft.com/dotnet/runtime:9.0-alpine as runtime
 COPY --from=build /app/publish /app/publish
 WORKDIR /app/publish
 CMD ["dotnet", "BervProject.MergePDFOnline.Console.dll"]