diff --git a/Hub/Service/Dockerfile b/Hub/Service/Dockerfile
index 37986e8..dabdf9c 100644
--- a/Hub/Service/Dockerfile
+++ b/Hub/Service/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0.0-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0.100-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
 WORKDIR /src
 COPY ["./Service.csproj", "./"]
 RUN dotnet restore "Service.csproj"
diff --git a/Power/Service/Dockerfile b/Power/Service/Dockerfile
index 6c21cdc..0bc9ad6 100644
--- a/Power/Service/Dockerfile
+++ b/Power/Service/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0.0-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0.100-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
 WORKDIR /src
 COPY ["./Service.csproj", "./"]
 RUN dotnet restore "Service.csproj"
diff --git a/Weather/SerialReader/Dockerfile b/Weather/SerialReader/Dockerfile
index 7222cee..47e39e4 100644
--- a/Weather/SerialReader/Dockerfile
+++ b/Weather/SerialReader/Dockerfile
@@ -1,7 +1,7 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0.0-buster-slim-arm32v7 AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim-arm32v7 AS base
 WORKDIR /app
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0.100-buster AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
 WORKDIR /src
 COPY ["./SerialReader.csproj", "./"]
 RUN dotnet restore -r linux-arm "SerialReader.csproj"
diff --git a/Weather/Service/Dockerfile b/Weather/Service/Dockerfile
index e5eaf14..e648adb 100644
--- a/Weather/Service/Dockerfile
+++ b/Weather/Service/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0.0-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0.100-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
 WORKDIR /src
 COPY ["./Service.csproj", "./"]
 RUN dotnet restore "Service.csproj"