diff --git a/lib/mix/tasks/mobilizon/users/modify.ex b/lib/mix/tasks/mobilizon/users/modify.ex
index ae02ed564..cea9ad4e9 100644
--- a/lib/mix/tasks/mobilizon/users/modify.ex
+++ b/lib/mix/tasks/mobilizon/users/modify.ex
@@ -16,6 +16,7 @@ defmodule Mix.Tasks.Mobilizon.Users.Modify do
         rest,
         strict: [
           email: :string,
+          password: :string,
           disable: :boolean,
           enable: :boolean,
           user: :boolean,
@@ -30,6 +31,7 @@ defmodule Mix.Tasks.Mobilizon.Users.Modify do
     disable? = Keyword.get(options, :disable, false)
     enable? = Keyword.get(options, :enable, false)
     new_email = Keyword.get(options, :email)
+    new_password = Keyword.get(options, :password)
 
     if disable? && enable? do
       shell_error("Can't use both --enable and --disable options at the same time.")
@@ -41,6 +43,7 @@ defmodule Mix.Tasks.Mobilizon.Users.Modify do
          attrs <- %{},
          role <- calculate_role(admin?, moderator?, user?),
          attrs <- process_new_value(attrs, :email, new_email, user.email),
+         attrs <- process_new_value(attrs, :password, new_password, nil),
          attrs <- process_new_value(attrs, :role, role, user.role),
          attrs <-
            if(disable? && !is_nil(user.confirmed_at),
diff --git a/lib/mobilizon/users/user.ex b/lib/mobilizon/users/user.ex
index 78427214e..f30cd6370 100644
--- a/lib/mobilizon/users/user.ex
+++ b/lib/mobilizon/users/user.ex
@@ -107,6 +107,7 @@ defmodule Mobilizon.Users.User do
       |> validate_required(@required_attrs)
       |> unique_constraint(:email, message: dgettext("errors", "This email is already used."))
       |> Checker.validate_changeset()
+      |> hash_password()
       |> validate_length(:password,
         min: 6,
         max: 200,
diff --git a/test/tasks/users_test.exs b/test/tasks/users_test.exs
index bff6acce2..775d4ceca 100644
--- a/test/tasks/users_test.exs
+++ b/test/tasks/users_test.exs
@@ -310,5 +310,20 @@ defmodule Mix.Tasks.Mobilizon.UsersTest do
       assert output_received ==
                "An user has been modified with the following information:\n  - email: #{@modified_email}\n  - Role: #{user.role}\n  - account status: Activated on #{confirmed_at} (UTC)\n"
     end
+
+    @modified_password "new one"
+
+    test "change an user's password" do
+      insert(:user, email: @email)
+      Modify.run([@email, "--password", @modified_password])
+
+      assert {:ok, %User{}} =
+               Mobilizon.Service.Auth.MobilizonAuthenticator.login(@email, @modified_password)
+
+      Modify.run([@email, "--password", "changed again"])
+
+      assert {:error, :bad_password} =
+               Mobilizon.Service.Auth.MobilizonAuthenticator.login(@email, @modified_password)
+    end
   end
 end