diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index f3783b9079c..f6494596d84 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -174,8 +174,9 @@
       }
     },
     "node_modules/@adobe/css-tools": {
-      "version": "4.0.1",
-      "integrity": "sha512-+u76oB43nOHrF4DDWRLWDCtci7f3QJoEBigemIdIeTi1ODqjx6Tad9NCVnPRwewWlKkVab5PlK8DCtPTyX7S8g==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.3.1.tgz",
+      "integrity": "sha512-/62yikz7NLScCGAAST5SHdnjaDJQBDq0M2muyRTpf2VQhw6StBg2ALiu73zSJQ4fMVLA+0uBhBHAle7Wg+2kSg==",
       "dev": true
     },
     "node_modules/@ampproject/remapping": {
@@ -32386,8 +32387,9 @@
       }
     },
     "@adobe/css-tools": {
-      "version": "4.0.1",
-      "integrity": "sha512-+u76oB43nOHrF4DDWRLWDCtci7f3QJoEBigemIdIeTi1ODqjx6Tad9NCVnPRwewWlKkVab5PlK8DCtPTyX7S8g==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.3.1.tgz",
+      "integrity": "sha512-/62yikz7NLScCGAAST5SHdnjaDJQBDq0M2muyRTpf2VQhw6StBg2ALiu73zSJQ4fMVLA+0uBhBHAle7Wg+2kSg==",
       "dev": true
     },
     "@ampproject/remapping": {