diff --git a/package-lock.json b/package-lock.json
index 5a159f4..20cf453 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -9574,9 +9623,9 @@
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       "dev": true,
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+        "acorn": "^8.5.0",
         "commander": "^2.20.0",
-        "source-map": "~0.6.1",
-        "source-map-support": "~0.5.12"
+        "source-map-support": "~0.5.20"
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+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.1.tgz",
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diff --git a/package.json b/package.json
index 0778426..8ca960e 100644
--- a/package.json
+++ b/package.json
@@ -145,7 +145,7 @@
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     "stylelint": "^13.13.1",
     "stylelint-config-twbs-bootstrap": "^2.2.1",
-    "terser": "5.1.0",
+    "terser": "5.14.1",
     "vnu-jar": "21.6.11"
   },
   "files": [