diff --git a/Dockerfile b/Dockerfile
index 47c657b..906e75f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ###################################################
 ## Build stage.
 ###################################################
-FROM mcr.microsoft.com/dotnet/sdk:8.0-alpine@sha256:e269102a31758d5d6c16f4d11d0e9cf97140551fae8af91fb7e4c861beed5ddf AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine@sha256:06735caeda36e5026cdd89e47700b3c9d70fd6b558f71f835b4f0d1d3f3581d8 AS build
 
 # Publish app.
 WORKDIR /app
@@ -11,7 +11,7 @@ RUN dotnet publish ./src/DiscordTranslationBot -c Release -o ./out
 ###################################################
 ## Runtime image creation stage.
 ###################################################
-FROM mcr.microsoft.com/dotnet/aspnet:8.0-alpine@sha256:c45e218d64af2d1f223b2ff0fd3ccb59f2c1a91232c4932bd4e70d2aadf5dc7c
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-alpine@sha256:1dbe60e77e8e1a5263dac4ae1fff586cfce4bd9f5b0490778787f6c8ce0268dc
 
 # Copy published build.
 WORKDIR /app