diff --git a/barcoder/Dockerfile b/barcoder/Dockerfile
index 067e2df..977e7d0 100644
--- a/barcoder/Dockerfile
+++ b/barcoder/Dockerfile
@@ -8,7 +8,7 @@ COPY . ./
 RUN dotnet publish -c Release -o /app/ -r linux-x64
 
 # build runtime image
-FROM mcr.microsoft.com/dotnet/aspnet:5.0
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
 RUN apt-get update \
     && apt-get install -y --no-install-recommends libgdiplus libc6-dev \
     && apt-get clean \