diff --git a/server/Tingle.Dependabot/Dockerfile b/server/Tingle.Dependabot/Dockerfile
index 74e73768..525e2994 100644
--- a/server/Tingle.Dependabot/Dockerfile
+++ b/server/Tingle.Dependabot/Dockerfile
@@ -1,13 +1,13 @@
 #See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-bookworm-slim AS base
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-bookworm-slim AS base
 LABEL org.opencontainers.image.source="https://github.com/tinglesoftware/dependabot-azure-devops"
 USER app
 WORKDIR /app
 EXPOSE 8080
 EXPOSE 8081
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0-bookworm-slim AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
 COPY ["server/Directory.Build.props", "server/"]
diff --git a/server/Tingle.Dependabot/Dockerfile.CI b/server/Tingle.Dependabot/Dockerfile.CI
index 96024f38..67a333f0 100644
--- a/server/Tingle.Dependabot/Dockerfile.CI
+++ b/server/Tingle.Dependabot/Dockerfile.CI
@@ -4,7 +4,7 @@
 #
 # As a result, we only copy publish output and put it in the container
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-bookworm-slim AS base
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-bookworm-slim AS base
 LABEL org.opencontainers.image.source="https://github.com/tinglesoftware/dependabot-azure-devops"
 USER app
 WORKDIR /app