diff --git a/shared/schemas/user.ts b/shared/schemas/user.ts
index 6b9fd1e56c..a51cec6ad8 100644
--- a/shared/schemas/user.ts
+++ b/shared/schemas/user.ts
@@ -1,6 +1,6 @@
 import * as v from 'valibot'
 
-const NPM_USERNAME_RE = /^[a-z0-9]([a-z0-9-]*[a-z0-9])?$/i
+const NPM_USERNAME_RE = /^[a-z0-9]([\w.-]*[a-z0-9])?$/i
 const NPM_USERNAME_MAX_LENGTH = 50
 
 /**