diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 76be5faad14..5e26aff95a7 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -35,7 +35,7 @@
         "semver": "^7.7.4",
         "source-map": "^0.7.6",
         "source-map-support": "^0.5.21",
-        "stream-json": "^1.9.1",
+        "stream-json": "^3.5.0",
         "styled-components": "^6.5.3",
         "tmp": "^0.2.7",
         "tmp-promise": "^3.0.2",
@@ -26986,9 +26986,16 @@
       }
     },
     "node_modules/stream-chain": {
-      "version": "2.2.5",
-      "resolved": "https://registry.npmjs.org/stream-chain/-/stream-chain-2.2.5.tgz",
-      "integrity": "sha512-1TJmBx6aSWqZ4tx7aTpBDXK0/e2hhcNSTV8+CbFJtDjbb+I1mZ8lHit0Grw9GRT+6JbIrrDd8esncgBi8aBXGA=="
+      "version": "4.2.5",
+      "resolved": "https://registry.npmjs.org/stream-chain/-/stream-chain-4.2.5.tgz",
+      "integrity": "sha512-Wtyq3bNE3ggLR0v2vftqvuhltym3WbZAkZpfIrkr5F/6vpeUmWmwTgXa16zD87gpahwJ/Qulq3zVfUlgIc0J2A==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=22"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/uhop"
+      }
     },
     "node_modules/stream-composer": {
       "version": "1.0.2",
@@ -27007,12 +27014,18 @@
       "dev": true
     },
     "node_modules/stream-json": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/stream-json/-/stream-json-1.9.1.tgz",
-      "integrity": "sha512-uWkjJ+2Nt/LO9Z/JyKZbMusL8Dkh97uUBTv3AJQ74y07lVahLY4eEFsPsE97pxYBwr8nnjMAIch5eqI0gPShyw==",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/stream-json/-/stream-json-3.5.0.tgz",
+      "integrity": "sha512-dobB7zipGW8o11PvdRljQSWuyMxifADLvoHeA4elwNWOTbZo6+BlNa+P6aCq7Y9jRiWTy2Ucu2xSv0Y2/T+/kQ==",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "stream-chain": "^2.2.5"
+        "stream-chain": "^4.2.5"
+      },
+      "engines": {
+        "node": ">=22"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/uhop"
       }
     },
     "node_modules/stream-shift": {
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index f8a8d7d5aeb..e11388ed339 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2093,7 +2093,7 @@
     "semver": "^7.7.4",
     "source-map": "^0.7.6",
     "source-map-support": "^0.5.21",
-    "stream-json": "^1.9.1",
+    "stream-json": "^3.5.0",
     "styled-components": "^6.5.3",
     "tmp": "^0.2.7",
     "tmp-promise": "^3.0.2",