diff --git a/apps/vscode/package.json b/apps/vscode/package.json
index adafa5c0..810417a4 100644
--- a/apps/vscode/package.json
+++ b/apps/vscode/package.json
@@ -1554,7 +1554,7 @@
     "vscode-languageclient": "^10.1.2",
     "vscode-languageserver-types": "^3.18.4",
     "vscode-uri": "^3.0.3",
-    "which": "^3.0.1"
+    "which": "^6.0.1"
   },
   "devDependencies": {
     "@types/lodash.debounce": "^4.0.9",
diff --git a/package-lock.json b/package-lock.json
index 3340113a..4b84992f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -112,7 +112,7 @@
         "vscode-languageclient": "^10.1.2",
         "vscode-languageserver-types": "^3.18.4",
         "vscode-uri": "^3.0.3",
-        "which": "^3.0.1"
+        "which": "^6.0.1"
       },
       "devDependencies": {
         "@posit-dev/positron-test-electron": "^0.0.3",
@@ -207,19 +207,28 @@
         "vite-plugin-static-copy": "^4.1.1"
       }
     },
+    "apps/vscode/node_modules/isexe": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/isexe/-/isexe-4.0.0.tgz",
+      "integrity": "sha512-FFUtZMpoZ8RqHS3XeXEmHWLA4thH+ZxCv2lOiPIn1Xc7CxrqhWzNSDzD+/chS/zbYezmiwWLdQC09JdQKmthOw==",
+      "license": "BlueOak-1.0.0",
+      "engines": {
+        "node": ">=20"
+      }
+    },
     "apps/vscode/node_modules/which": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/which/-/which-3.0.1.tgz",
-      "integrity": "sha512-XA1b62dzQzLfaEOSQFTCOd5KFf/1VSzZo7/7TUjnya6u0vGGKzU96UQBZTAThCb2j4/xjBAyii1OhRLJEivHvg==",
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-6.0.1.tgz",
+      "integrity": "sha512-oGLe46MIrCRqX7ytPUf66EAYvdeMIZYn3WaocqqKZAxrBpkqHfL/qvTyJ/bTk5+AqHCjXmrv3CEWgy368zhRUg==",
       "license": "ISC",
       "dependencies": {
-        "isexe": "^2.0.0"
+        "isexe": "^4.0.0"
       },
       "bin": {
         "node-which": "bin/which.js"
       },
       "engines": {
-        "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
+        "node": "^20.17.0 || >=22.9.0"
       }
     },
     "node_modules/@antfu/install-pkg": {