diff --git a/package-lock.json b/package-lock.json
index 30087dd..ba1e732 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "cli-highlight": "^2.1.11",
         "dotenv": "^16.0.3",
         "expr-eval": "^2.0.2",
-        "gpt-tokenizer": "^1.0.5",
+        "gpt-tokenizer": "^2.1.1",
         "graphql-request": "^6.0.0",
         "jgexml": "^0.4.4",
         "jsfiddle": "github:MikeRalphson/node-jsfiddle",
@@ -2108,9 +2108,12 @@
       }
     },
     "node_modules/gpt-tokenizer": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/gpt-tokenizer/-/gpt-tokenizer-1.0.5.tgz",
-      "integrity": "sha512-uLq42+uNAJENy1AcVJ3VIIA5BimrcDG8AhbohUro2wYF9nYPq92AlGWe299NqC9pBIY3r+oqwYse0OtIWkJAwg=="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/gpt-tokenizer/-/gpt-tokenizer-2.1.1.tgz",
+      "integrity": "sha512-WlX+vj6aPaZ71U6Bf18fem+5k58zlgh2a4nbc7KHy6aGVIyq3nCh709b/8momu34sV/5t/SpzWi8LayWD9uyDw==",
+      "dependencies": {
+        "rfc4648": "^1.5.2"
+      }
     },
     "node_modules/grapheme-splitter": {
       "version": "1.0.4",
@@ -3684,6 +3687,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/rfc4648": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/rfc4648/-/rfc4648-1.5.2.tgz",
+      "integrity": "sha512-tLOizhR6YGovrEBLatX1sdcuhoSCXddw3mqNVAcKxGJ+J0hFeJ+SjeWCv5UPA/WU3YzWPPuCVYgXBKZUPGpKtg=="
+    },
     "node_modules/rimraf": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
@@ -5921,9 +5929,12 @@
       }
     },
     "gpt-tokenizer": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/gpt-tokenizer/-/gpt-tokenizer-1.0.5.tgz",
-      "integrity": "sha512-uLq42+uNAJENy1AcVJ3VIIA5BimrcDG8AhbohUro2wYF9nYPq92AlGWe299NqC9pBIY3r+oqwYse0OtIWkJAwg=="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/gpt-tokenizer/-/gpt-tokenizer-2.1.1.tgz",
+      "integrity": "sha512-WlX+vj6aPaZ71U6Bf18fem+5k58zlgh2a4nbc7KHy6aGVIyq3nCh709b/8momu34sV/5t/SpzWi8LayWD9uyDw==",
+      "requires": {
+        "rfc4648": "^1.5.2"
+      }
     },
     "grapheme-splitter": {
       "version": "1.0.4",
@@ -7112,6 +7123,11 @@
       "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
       "dev": true
     },
+    "rfc4648": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/rfc4648/-/rfc4648-1.5.2.tgz",
+      "integrity": "sha512-tLOizhR6YGovrEBLatX1sdcuhoSCXddw3mqNVAcKxGJ+J0hFeJ+SjeWCv5UPA/WU3YzWPPuCVYgXBKZUPGpKtg=="
+    },
     "rimraf": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
diff --git a/package.json b/package.json
index 4330712..178bbc6 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "cli-highlight": "^2.1.11",
     "dotenv": "^16.0.3",
     "expr-eval": "^2.0.2",
-    "gpt-tokenizer": "^1.0.5",
+    "gpt-tokenizer": "^2.1.1",
     "graphql-request": "^6.0.0",
     "jgexml": "^0.4.4",
     "jsfiddle": "github:MikeRalphson/node-jsfiddle",