diff --git a/src/nav.ts b/src/nav.ts
index 6f09acfaa..39bd4a45e 100644
--- a/src/nav.ts
+++ b/src/nav.ts
@@ -25,10 +25,18 @@ export const TRANSLATIONS: Translation[] = [
     lang: "Spanish",
     url: "https://github.com/lcadafalch/solidity_attacks",
   },
+  {
+    lang: "Japanese",
+    url: "https://github.com/denchance/Solidity-by-example_Japanese",
+  },
   {
     lang: "Simplified Chinese",
     url: "https://github.com/Web3-Club/solidity-by-example_Chinese",
   },
+  {
+    lang: "Traditional Chinese",
+    url: "https://github.com/denchance/Solidity-by-example_Traditional_Chinese",
+  },
 ]
 
 export const SOL_ROUTES: Route[] = [