diff --git a/services/Archival/FilterLists.Archival.Api/Dockerfile b/services/Archival/FilterLists.Archival.Api/Dockerfile
index 6cd10edbc..02befdc96 100644
--- a/services/Archival/FilterLists.Archival.Api/Dockerfile
+++ b/services/Archival/FilterLists.Archival.Api/Dockerfile
@@ -1,11 +1,11 @@
 # init base
-FROM mcr.microsoft.com/dotnet/core/runtime-deps:3.1.7-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/runtime-deps:3.1-alpine AS base
 LABEL org.opencontainers.image.description="filterlists.com | github.com/collinbarrett/filterlists | A .NET Core app archiving copies of FilterLists for mirrors and future analysis."
 WORKDIR /app
 EXPOSE 80
 
 # init build
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1.401-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
 ENV DOTNET_CLI_TELEMETRY_OPTOUT=true
 
 # restore API
diff --git a/services/Archival/FilterLists.Archival.Api/dev.Dockerfile b/services/Archival/FilterLists.Archival.Api/dev.Dockerfile
index b77c0c782..20f3be8f9 100644
--- a/services/Archival/FilterLists.Archival.Api/dev.Dockerfile
+++ b/services/Archival/FilterLists.Archival.Api/dev.Dockerfile
@@ -1,10 +1,10 @@
 # init base for Visual Studio debugging
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1.7-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine AS base
 WORKDIR /app
 EXPOSE 80
 
 # init build
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1.401-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-alpine AS build
 ENV DOTNET_CLI_TELEMETRY_OPTOUT=true
 
 # restore API