diff --git a/.changeset/thirty-eels-sneeze.md b/.changeset/thirty-eels-sneeze.md
new file mode 100644
index 00000000..09cdeefe
--- /dev/null
+++ b/.changeset/thirty-eels-sneeze.md
@@ -0,0 +1,6 @@
+---
+"@nodesecure/sec-literal": minor
+"@nodesecure/js-x-ray": minor
+---
+
+Update FrequencySet to v2.1.x
diff --git a/workspaces/js-x-ray/package.json b/workspaces/js-x-ray/package.json
index 1d37e9db..1d80b464 100644
--- a/workspaces/js-x-ray/package.json
+++ b/workspaces/js-x-ray/package.json
@@ -49,7 +49,7 @@
     "@nodesecure/sec-literal": "^1.2.0",
     "@nodesecure/tracer": "^3.0.0",
     "digraph-js": "^2.2.3",
-    "frequency-set": "^1.0.2",
+    "frequency-set": "^2.1.0",
     "is-minified-code": "^2.0.0",
     "meriyah": "^6.0.0",
     "safe-regex": "^2.1.1",
diff --git a/workspaces/sec-literal/package.json b/workspaces/sec-literal/package.json
index c2608a34..8a4ade6b 100644
--- a/workspaces/sec-literal/package.json
+++ b/workspaces/sec-literal/package.json
@@ -32,7 +32,7 @@
   },
   "homepage": "https://github.com/NodeSecure/js-x-ray/tree/master/workspaces/sec-literal#readme",
   "dependencies": {
-    "frequency-set": "^1.0.2",
+    "frequency-set": "^2.1.0",
     "is-base64": "^1.1.0",
     "is-svg": "^6.0.0",
     "string-width": "^8.0.0"