diff --git a/devbox.json b/devbox.json
index ba7321a..22f318f 100644
--- a/devbox.json
+++ b/devbox.json
@@ -16,7 +16,7 @@
     "traefik@3.6.7",
     "claude-code@latest",
     "go@latest",
-    "dotnet-sdk@latest",
+    "dotnet-sdk@2.1.810",
     "opentofu@1.11.6",
     "_1password@latest",
     "github-cli@latest",