diff --git a/backend/app/models/mixin.py b/backend/app/models/mixin.py
index 8dd3f80..64ed681 100644
--- a/backend/app/models/mixin.py
+++ b/backend/app/models/mixin.py
@@ -71,7 +71,7 @@ class Password(BaseModel):
 
 
 class PasswordUpdate(Password):
-    password: str | None = Field(default=None, min_length=8, max_length=40)
+    password: str | None = Field(default=None, min_length=8, max_length=100)
 
 
 class RowId(BaseModel):
diff --git a/backend/app/models/user.py b/backend/app/models/user.py
index 6b9a244..d0abd28 100644
--- a/backend/app/models/user.py
+++ b/backend/app/models/user.py
@@ -117,8 +117,8 @@ class UserUpdateMe(mixin.EmailUpdate, BaseSQLModel):
 
 
 class UpdatePassword(BaseSQLModel):
-    current_password: str = Field(min_length=8, max_length=40)
-    new_password: str = Field(min_length=8, max_length=40)
+    current_password: str = Field(min_length=8, max_length=100)
+    new_password: str = Field(min_length=8, max_length=100)
 
 
 # Database model, database table inferred from class name
@@ -301,7 +301,7 @@ class TokenPayload(BaseSQLModel):
 
 class NewPassword(BaseSQLModel):
     token: str
-    new_password: str = Field(min_length=8, max_length=40)
+    new_password: str = Field(min_length=8, max_length=100)
 
 
 # endregion