diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 6e0c0452..5344ba50 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,5 @@
 # Refer to https://hub.docker.com/_/microsoft-dotnet-sdk for available versions
-FROM mcr.microsoft.com/dotnet/sdk:10.0.202@sha256:adc02be8b87957d07208a4a3e51775935b33bad3317de8c45b1e67357b4c073b
+FROM mcr.microsoft.com/dotnet/sdk:10.0.203@sha256:8a90a473da5205a16979de99d2fc20975e922c68304f5c79d564e666dc3982fc
 
 # Installing mono makes `dotnet test` work without errors even for net472.
 # But installing it takes a long time, so it's excluded by default.
diff --git a/global.json b/global.json
index 8f469591..441e15ad 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.202",
+    "version": "10.0.203",
     "rollForward": "patch",
     "allowPrerelease": false
   },