diff --git a/packages/localizer/package.json b/packages/localizer/package.json
index bbafa33..7fd4427 100644
--- a/packages/localizer/package.json
+++ b/packages/localizer/package.json
@@ -12,7 +12,7 @@
     "shrimple-locales": "^0.2.1"
   },
   "devDependencies": {
-    "@sern/handler": "^3.3.0",
+    "@sern/handler": "^4.0.0",
     "discord.js": "^14.15.3",
     "vitest": "^1.2.2"
   },
diff --git a/packages/publisher/package.json b/packages/publisher/package.json
index 8d3fd13..c0d57da 100644
--- a/packages/publisher/package.json
+++ b/packages/publisher/package.json
@@ -9,7 +9,7 @@
     "test": "exit 0"
   },
   "devDependencies": {
-    "@sern/handler": "^3.3.0",
+    "@sern/handler": "^4.0.0",
     "discord.js": "^14.15.3",
     "vitest": "^1.2.2"
   },