diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 9db24fd..b972854
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "@babel/helper-create-regexp-features-plugin": "^7.7.4",
     "@babel/plugin-transform-react-jsx": "^7.7.4",
-    "@casl/ability": "^2.4.2",
+    "@casl/ability": "^4.1.3",
     "@casl/react": "^1.0.4",
     "@fortawesome/fontawesome": "^1.1.8",
     "@fortawesome/fontawesome-free-brands": "^5.0.13",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index dee31ca..3541d4e
--- a/yarn.lock
+++ b/yarn.lock
@@ -961,12 +961,12 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
-"@casl/ability@^2.4.2":
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/@casl/ability/-/ability-2.5.1.tgz#53f12af45295793472c65b539204226372904594"
-  integrity sha512-Ju1cl1R4xgPiiYxmjUAoO+rhNxp0ximyKZzWuw4/DLKHnbQNqbSVyDkRSVHuAuL+BWyeBsaD/sVSwxUitYlDyA==
+"@casl/ability@^4.1.3":
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/@casl/ability/-/ability-4.1.3.tgz#cd94392e1efaec8812335273b9cea0cbe9fe1021"
+  integrity sha512-kcoH01WpOvSC4ExYKKAvGLChQ32aM/kE1J9lRTLt0tIq8EJtv4FLNyLH4BQ+V6XlkHUV0SnjRxn0P0wK8/UzBw==
   dependencies:
-    sift "^7.0.1"
+    sift "^13.0.0"
 
 "@casl/react@^1.0.4":
   version "1.0.4"
@@ -10976,10 +10976,10 @@ shellwords@^0.1.1:
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
   integrity sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww==
 
-sift@^7.0.1:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/sift/-/sift-7.0.1.tgz#47d62c50b159d316f1372f8b53f9c10cd21a4b08"
-  integrity sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g==
+sift@^13.0.0:
+  version "13.0.3"
+  resolved "https://registry.yarnpkg.com/sift/-/sift-13.0.3.tgz#f2dbb5d33cd8de2169fd05117212bc5dfd2c9e52"
+  integrity sha512-+07q8msAbbsY5rGQw61hEbAcDl+e1rBzDWqJC3juipQCGAO+bBLUPxrGJ1o5IM16hbRVf8JrlyqUvSDFOSoOgA==
 
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"