diff --git a/package-lock.json b/package-lock.json
index e0652df..a3e70d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
             "version": "1.0.0",
             "license": "MIT",
             "dependencies": {
-                "acorn-hammerhead": "^0.5.0",
+                "acorn-hammerhead": "^0.6.3",
                 "css-tree": "^1.1.3",
                 "express": "^4.17.1",
                 "node-fetch": "2.1.0",
@@ -215,9 +215,10 @@
             }
         },
         "node_modules/acorn-hammerhead": {
-            "version": "0.5.0",
-            "resolved": "https://registry.npmjs.org/acorn-hammerhead/-/acorn-hammerhead-0.5.0.tgz",
-            "integrity": "sha512-TI9TFfJBfduhcM2GggayNhdYvdJ3UgS/Bu3sB7FB2AUmNCmCJ+TSOT6GXu+bodG5/xL74D5zE4XRaqyjgjsYVQ==",
+            "version": "0.6.3",
+            "resolved": "https://registry.npmjs.org/acorn-hammerhead/-/acorn-hammerhead-0.6.3.tgz",
+            "integrity": "sha512-wW7C7UxKGfakVT/XaJizRliV1Pl3IVbOgUWsSWa1rwSMU4nAAzL7KrEP84GgiyYpSIhCmiE02lvTnS3HHTQQxQ==",
+            "license": "MIT",
             "dependencies": {
                 "@types/estree": "0.0.46"
             }
@@ -1384,9 +1385,9 @@
             "integrity": "sha512-yXbYeFy+jUuYd3/CDcg2NkIYE991XYX/bje7LmjJigUciaeO1JR4XxXgCIV1/Zc/dRuFEyw1L0pbA+qynJkW5Q=="
         },
         "acorn-hammerhead": {
-            "version": "0.5.0",
-            "resolved": "https://registry.npmjs.org/acorn-hammerhead/-/acorn-hammerhead-0.5.0.tgz",
-            "integrity": "sha512-TI9TFfJBfduhcM2GggayNhdYvdJ3UgS/Bu3sB7FB2AUmNCmCJ+TSOT6GXu+bodG5/xL74D5zE4XRaqyjgjsYVQ==",
+            "version": "0.6.3",
+            "resolved": "https://registry.npmjs.org/acorn-hammerhead/-/acorn-hammerhead-0.6.3.tgz",
+            "integrity": "sha512-wW7C7UxKGfakVT/XaJizRliV1Pl3IVbOgUWsSWa1rwSMU4nAAzL7KrEP84GgiyYpSIhCmiE02lvTnS3HHTQQxQ==",
             "requires": {
                 "@types/estree": "0.0.46"
             }
diff --git a/package.json b/package.json
index c8913d9..f9b598e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "author": "dragonmaster73101 and fog network",
     "license": "MIT",
     "dependencies": {
-        "acorn-hammerhead": "^0.5.0",
+        "acorn-hammerhead": "^0.6.3",
         "css-tree": "^1.1.3",
         "express": "^4.17.1",
         "parse5": "^6.0.1",