diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 635ed8c6..f18d31b1 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:10.0.301@sha256:ea8bde36c11b6e7eec2656d0e59101d4462f6bd630730f2c8201ed0572b295d5
+FROM mcr.microsoft.com/dotnet/sdk:10.0.302@sha256:ed034a8bf0b24ded0cbbac07e17825d8e9ebfe21e308191d0f7421eaf5ad4664
 
 # 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 4c9fb87c..dba80e90 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.301",
+    "version": "10.0.302",
     "rollForward": "patch",
     "allowPrerelease": false
   },
diff --git a/tools/dotnet-install.sh b/tools/dotnet-install.sh
old mode 100644
new mode 100755