diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 84aaf83eef0..079ac22ab41 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -124,7 +124,7 @@
         "markdownlint-cli2-formatter-pretty": "^0.0.9",
         "npm-run-all": "^4.1.5",
         "patch-package": "^8.0.1",
-        "prettier": "^3.6.1",
+        "prettier": "^3.8.3",
         "storybook": "^10.4.0",
         "tar-stream": "^3.1.8",
         "through2": "^4.0.2",
@@ -24894,9 +24894,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.6.1.tgz",
-      "integrity": "sha512-5xGWRa90Sp2+x1dQtNpIpeOQpTDBs9cZDmA/qs2vDNN2i18PdapqY7CmBeyLlMuGqXJRIOPaCaVZTLNQRWUH/A==",
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.3.tgz",
+      "integrity": "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index e8587b5eb81..c6950097386 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2175,7 +2175,7 @@
     "markdownlint-cli2-formatter-pretty": "^0.0.9",
     "npm-run-all": "^4.1.5",
     "patch-package": "^8.0.1",
-    "prettier": "^3.6.1",
+    "prettier": "^3.8.3",
     "storybook": "^10.4.0",
     "tar-stream": "^3.1.8",
     "through2": "^4.0.2",