diff --git a/README.md b/README.md
index ed6fd97..d1141c6 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,9 @@ this package:
 
 ## Additional information
 
+* There is a breaking change in the management of the administrator password when upgrading to 0.7.0. You must change the admin password!
+* To be able to change the admin password, please visit the page: `https://you.domain.tld/yunohost/admin/#/apps/baikal/actions` and set a new password.
+
 ## Links
 
  * Report a bug: https://github.com/YunoHost-Apps/baikal_ynh/issues
diff --git a/actions.toml b/actions.toml
new file mode 100644
index 0000000..aa446e3
--- /dev/null
+++ b/actions.toml
@@ -0,0 +1,10 @@
+[reset_admin_password]
+name = "Reset the admin password"
+command = "/bin/bash scripts/actions/reset_admin_password"
+accepted_return_codes = [0]
+description = "Change the admin password of the app."
+    [reset_admin_password.arguments]
+        [reset_admin_password.arguments.password]
+            type = "password"
+            ask.en = "Set the password for the administration"
+            ask.fr = "Définissez le mot de passe pour l'administration"
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diff --git a/scripts/actions/reset_admin_password b/scripts/actions/reset_admin_password
new file mode 100644
index 0000000..c2b0be8
--- /dev/null
+++ b/scripts/actions/reset_admin_password
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source scripts/_common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+# Get password
+password=${YNH_ACTION_PASSWORD}
+
+app=${YNH_APP_INSTANCE_NAME:-$YNH_APP_ID}
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+#=================================================
+# CHECK IF ARGUMENTS ARE CORRECT
+#=================================================
+
+#=================================================
+# CHECK IF AN ACTION HAS TO BE DONE
+#=================================================
+
+password_hash_old=$(ynh_app_setting_get --app=$app --key=password_hash)
+password_hash=$(echo -n admin:BaikalDAV:$password | sha256sum | cut -d ' ' -f 1)
+if [ $password_hash == $password_hash_old ]
+then
+	ynh_die "This is the same password." 0
+fi
+
+#=================================================
+# SPECIFIC ACTION
+#=================================================
+# CHANGE THE PASSWORD
+#=================================================
+ynh_script_progression --message="Changing the password..." --weight=1
+
+bk_conf="${final_path}/config/baikal.yaml"
+
+ynh_backup_if_checksum_is_different --file="${final_path}/config/baikal.yaml"
+
+ynh_replace_string --match_string="${password_hash_old}" --replace_string="${password_hash}" --target_file="$bk_conf"
+ynh_app_setting_set --app=$app --key=password_hash --value=$password_hash
+
+ynh_store_file_checksum --file="${final_path}/config/baikal.yaml"
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Execution completed" --last
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