diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 2981e97e2..3efb92e47 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -5,7 +5,7 @@
 	"features": {
 		"ghcr.io/devcontainers/features/docker-in-docker:1": {},
 		"ghcr.io/devcontainers/features/dotnet": {
-			"version": "6.0.300"
+			"version": "6.0.404"
 		}
 	},
 	"customizations": {
diff --git a/src/dev.sh b/src/dev.sh
index 82abcf769..f77f5939b 100755
--- a/src/dev.sh
+++ b/src/dev.sh
@@ -22,7 +22,7 @@ DOWNLOAD_DIR="$SCRIPT_DIR/../_downloads/netcore2x"
 PACKAGE_DIR="$SCRIPT_DIR/../_package"
 PACKAGE_TRIMS_DIR="$SCRIPT_DIR/../_package_trims"
 DOTNETSDK_ROOT="$SCRIPT_DIR/../_dotnetsdk"
-DOTNETSDK_VERSION="6.0.300"
+DOTNETSDK_VERSION="6.0.404"
 DOTNETSDK_INSTALLDIR="$DOTNETSDK_ROOT/$DOTNETSDK_VERSION"
 RUNNER_VERSION=$(cat runnerversion)
 
diff --git a/src/global.json b/src/global.json
index 19c87f2a5..d8fab2717 100644
--- a/src/global.json
+++ b/src/global.json
@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "6.0.300"
+    "version": "6.0.404"
   }
 }