diff --git a/package.json b/package.json
index 49e12b68..126afdb5 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@javascript-obfuscator/escodegen": "2.2.0",
     "@javascript-obfuscator/estraverse": "5.3.0",
     "@nuxtjs/opencollective": "0.3.2",
-    "acorn": "8.3.0",
+    "acorn": "8.4.0",
     "assert": "2.0.0",
     "chalk": "4.1.1",
     "chance": "1.1.7",
@@ -42,7 +42,7 @@
     "source-map-support": "0.5.19",
     "string-template": "1.0.0",
     "stringz": "2.1.0",
-    "tslib": "2.2.0"
+    "tslib": "2.3.0"
   },
   "devDependencies": {
     "@istanbuljs/nyc-config-typescript": "1.0.1",
diff --git a/yarn.lock b/yarn.lock
index 7328e1b8..aff46227 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -971,10 +971,10 @@ acorn-jsx@^5.3.1:
   resolved "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.1.tgz"
   integrity sha512-K0Ptm/47OKfQRpNQ2J/oIN/3QYiK6FwW+eJbILhsdxh2WTLdl+30o8aGdTbm5JbffpFFAg/g+zi1E+jvJha5ng==
 
-acorn@8.3.0:
-  version "8.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.3.0.tgz#1193f9b96c4e8232f00b11a9edff81b2c8b98b88"
-  integrity sha512-tqPKHZ5CaBJw0Xmy0ZZvLs1qTV+BNFSyvn77ASXkpBNfIRk8ev26fKrD9iLGwGA9zedPao52GSHzq8lyZG0NUw==
+acorn@8.4.0:
+  version "8.4.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.4.0.tgz#af53266e698d7cffa416714b503066a82221be60"
+  integrity sha512-ULr0LDaEqQrMFGyQ3bhJkLsbtrQ8QibAseGZeaSUiT/6zb9IvIkomWHJIvgvwad+hinRAgsI51JcWk2yvwyL+w==
 
 acorn@^7.4.0:
   version "7.4.0"
@@ -4408,10 +4408,10 @@ tsconfig-paths@^3.9.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
-tslib@2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
-  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
+tslib@2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.0.tgz#803b8cdab3e12ba581a4ca41c8839bbb0dacb09e"
+  integrity sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg==
 
 tslib@^1.8.1, tslib@^1.9.0:
   version "1.11.1"