diff --git a/content/en/examples/Dotnet/compose/Dockerfile b/content/en/examples/Dotnet/compose/Dockerfile
index 59a02eb4c..b0654fa37 100644
--- a/content/en/examples/Dotnet/compose/Dockerfile
+++ b/content/en/examples/Dotnet/compose/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /src
 RUN dotnet build -o /app
 RUN dotnet publish -o /publish
 
-FROM mcr.microsoft.com/dotnet/aspnet as base
+FROM mcr.microsoft.com/dotnet/aspnet:latest@sha256:3edfb4ea7067e24b3aa5c6ab585e85a26c7daabfec26829b8efabeb122de4364 as base
 COPY --from=build  /publish /app
 WORKDIR /app
 EXPOSE 80