diff --git a/Dockerfile b/Dockerfile
index 5395c31911..303066c2f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0.101 AS build
 WORKDIR /Source
 
 # copy csproj and restore as distinct layers
diff --git a/Dockerfile.arm64 b/Dockerfile.arm64
index df93729b44..ac7ca716b1 100644
--- a/Dockerfile.arm64
+++ b/Dockerfile.arm64
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0.101 AS build
 WORKDIR /Source
 
 # copy csproj and restore as distinct layers