diff --git a/additions/package-lock.json b/additions/package-lock.json
index a3d2d9cc..84f34cca 100644
--- a/additions/package-lock.json
+++ b/additions/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.2.0",
       "dependencies": {
         "@microsoft/typespec-msgraph": "^1.1.1",
-        "@typespec/compiler": "*",
+        "@typespec/compiler": "latest",
         "@typespec/http": "*",
         "@typespec/openapi": "*",
         "@typespec/openapi3": "*",
@@ -731,9 +731,9 @@
       }
     },
     "node_modules/@typespec/compiler": {
-      "version": "1.14.0",
-      "resolved": "https://registry.npmjs.org/@typespec/compiler/-/compiler-1.14.0.tgz",
-      "integrity": "sha512-RRN0LGVDlonG/IbB2b4mvRjdCo6LywwB9/J8lOp6UaH7vtaFnKe5FL+rpxhof4rXx/zI/4OWnQO6c01bTCz4/Q==",
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/@typespec/compiler/-/compiler-1.15.0.tgz",
+      "integrity": "sha512-NbCIRAIzyozchlSaGPVuyV43bC+y+OpXYCuT+8M8kt35Ln9zWzLFcIt7irofQ5QUXBZrHsBFpI5fTOFdCGeWCA==",
       "license": "MIT",
       "dependencies": {
         "@babel/code-frame": "^7.29.0",
@@ -744,9 +744,9 @@
         "is-unicode-supported": "^2.1.0",
         "mustache": "^4.2.0",
         "picocolors": "^1.1.1",
-        "prettier": "^3.8.1",
+        "prettier": "^3.9.5",
         "semver": "^7.7.4",
-        "tar": "^7.5.13",
+        "tar": "^7.5.21",
         "temporal-polyfill": "^1.0.1",
         "vscode-languageserver": "^10.0.0",
         "vscode-languageserver-textdocument": "^1.0.12",
@@ -762,9 +762,9 @@
       }
     },
     "node_modules/@typespec/compiler/node_modules/prettier": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.3.tgz",
-      "integrity": "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==",
+      "version": "3.9.6",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.6.tgz",
+      "integrity": "sha512-OpN0zzVdiaiAhxpuuj5efpIS4sY9j7bY6uR5mnj5yPzGkdkjNKSJeUThPb60Jw29QuAZgA4o+/iB49kFiaBX6g==",
       "license": "MIT",
       "bin": {
         "prettier": "bin/prettier.cjs"