diff --git a/docker-unified/Dockerfile b/docker-unified/Dockerfile
index 6a137e1c..ad68ea48 100644
--- a/docker-unified/Dockerfile
+++ b/docker-unified/Dockerfile
@@ -34,7 +34,7 @@ RUN VERSION=$(cat version.txt) \
 ###############################################
 #                 Build stage                 #
 ###############################################
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0 AS dotnet-build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:9.0 AS dotnet-build
 
 # Docker buildx supplies the value for this arg
 ARG TARGETPLATFORM
@@ -171,7 +171,7 @@ RUN . /tmp/rid.txt && dotnet publish -c release -o /app/Scim --no-restore --no-s
 ###############################################
 #                  App stage                  #
 ###############################################
-FROM mcr.microsoft.com/dotnet/aspnet:8.0
+FROM mcr.microsoft.com/dotnet/aspnet:9.0
 ARG TARGETPLATFORM
 LABEL com.bitwarden.product="bitwarden"
 LABEL com.bitwarden.project="unified"