diff --git a/packages/ui/package.json b/packages/ui/package.json
index d95dc7d9..5b4174a1 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -38,7 +38,7 @@
   "dependencies": {
     "file-saver": "^2.0.5",
     "highlight.js": "^11.0.0",
-    "highlightjs-cairo": "^0.2.0",
+    "highlightjs-cairo": "^0.3.0",
     "highlightjs-solidity": "^2.0.0",
     "sirv-cli": "^2.0.0",
     "tippy.js": "^6.3.1",
diff --git a/packages/ui/src/cairo/highlightjs.ts b/packages/ui/src/cairo/highlightjs.ts
index 7cff0fef..c94c0108 100644
--- a/packages/ui/src/cairo/highlightjs.ts
+++ b/packages/ui/src/cairo/highlightjs.ts
@@ -1,10 +1,7 @@
 import hljs from 'highlight.js/lib/core';
-import rust from 'highlight.js/lib/languages/rust';
 
 // @ts-ignore
-//import hljsDefineCairo from 'highlightjs-cairo';
-//hljsDefineCairo(hljs);
-
-hljs.registerLanguage('cairo', rust);
+import hljsDefineCairo from 'highlightjs-cairo';
+hljsDefineCairo(hljs);
 
 export default hljs;
diff --git a/yarn.lock b/yarn.lock
index 21eb9280..8b0fcdc5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3018,10 +3018,10 @@ highlight.js@^11.0.0:
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-11.9.0.tgz#04ab9ee43b52a41a047432c8103e2158a1b8b5b0"
   integrity sha512-fJ7cW7fQGCYAkgv4CPfwFHrfd/cLS4Hau96JuJ+ZTOWhjnhoeN1ub1tFmALm/+lW5z4WCAuAV9bm05AP0mS6Gw==
 
-highlightjs-cairo@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/highlightjs-cairo/-/highlightjs-cairo-0.2.0.tgz#40458e238fa2e8785dbc31dd55cb8e6d615dc4ff"
-  integrity sha512-gO0934JCapWreOPAKsjC9RNUVV6cwSDrk3YMFaCjjeIKr1iAR1yi/ssevNgwTKWnkAVM1O7AAu4CmE/4qaBREQ==
+highlightjs-cairo@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/highlightjs-cairo/-/highlightjs-cairo-0.3.0.tgz#946b8608b3edb42342033635c2c11c544f36686b"
+  integrity sha512-s0Lqpy/XDpi+IhJBSi3fxK47iybiTROMMvZF1XkYK/Ww6g6Rfz5+LencOrstdlMcUw86CguU8ZANr4/6/idIVA==
   dependencies:
     highlight.js "^11.0.0"