diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 12f5d8213d8..4557762857c 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -24,7 +24,7 @@
         "d3": "^7.9.0",
         "d3-graphviz": "^5.6.0",
         "fs-extra": "^11.1.1",
-        "js-yaml": "^4.1.1",
+        "js-yaml": "^4.2.0",
         "koffi": "^2.15.5",
         "msw": "^2.14.6",
         "nanoid": "^5.0.7",
@@ -21080,9 +21080,19 @@
       "dev": true
     },
     "node_modules/js-yaml": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
-      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.2.0.tgz",
+      "integrity": "sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
       "license": "MIT",
       "dependencies": {
         "argparse": "^2.0.1"
@@ -22548,6 +22558,19 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/markdownlint-cli2/node_modules/js-yaml": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "argparse": "^2.0.1"
+      },
+      "bin": {
+        "js-yaml": "bin/js-yaml.js"
+      }
+    },
     "node_modules/markdownlint-cli2/node_modules/slash": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/slash/-/slash-5.1.0.tgz",
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index 15e0446f699..152dfc410ff 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2082,7 +2082,7 @@
     "d3": "^7.9.0",
     "d3-graphviz": "^5.6.0",
     "fs-extra": "^11.1.1",
-    "js-yaml": "^4.1.1",
+    "js-yaml": "^4.2.0",
     "koffi": "^2.15.5",
     "msw": "^2.14.6",
     "nanoid": "^5.0.7",