diff --git a/scripts/_common.sh b/scripts/_common.sh
index 110d234..61b9f60 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -341,4 +341,47 @@ ynh_backup_before_upgrade () {  # Backup the current version of the app, restore
   else  # Si le backup a échoué
     ynh_die "Backup failed, the upgrade process was aborted."
   fi
+}
+
+# Define and install dependencies with a equivs control file
+# This helper can/should only be called once per app
+#
+# usage: ynh_install_app_dependencies dep [dep [...]]
+# | arg: dep - the package name to install in dependence
+ynh_install_app_dependencies () {
+    dependencies=$@
+    manifest_path="../manifest.json"
+    if [ ! -e "$manifest_path" ]; then
+      manifest_path="../settings/manifest.json" # Into the restore script, the manifest is not at the same place
+    fi
+    version=$(sudo grep '\"version\": ' "$manifest_path" | cut -d '"' -f 4) # Retrieve the version number in the manifest file.
+    dep_app=${app//_/-} # Replace all '_' by '-'
+
+    if ynh_package_is_installed "${dep_app}-ynh-deps"; then
+    echo "A package named ${dep_app}-ynh-deps is already installed" >&2
+    else
+        cat > ./${dep_app}-ynh-deps.control << EOF  # Make a control file for equivs-build
+Section: misc
+Priority: optional
+Package: ${dep_app}-ynh-deps
+Version: ${version}
+Depends: ${dependencies// /, }
+Architecture: all
+Description: Fake package for ${app} (YunoHost app) dependencies
+ This meta-package is only responsible of installing its dependencies.
+EOF
+        ynh_package_install_from_equivs ./${dep_app}-ynh-deps.control \
+            || ynh_die "Unable to install dependencies" # Install the fake package and its dependencies
+        ynh_app_setting_set $app apt_dependencies $dependencies
+    fi
+}
+
+# Remove fake package and its dependencies
+#
+# Dependencies will removed only if no other package need them.
+#
+# usage: ynh_remove_app_dependencies
+ynh_remove_app_dependencies () {
+    dep_app=${app//_/-} # Replace all '_' by '-'
+    ynh_package_autoremove ${dep_app}-ynh-deps  # Remove the fake package and its dependencies if they not still used.
 }
\ No newline at end of file
diff --git a/scripts/install b/scripts/install
index 99e2cc6..64afd16 100644
--- a/scripts/install
+++ b/scripts/install
@@ -42,7 +42,11 @@ grep -q -R 'jessie-backports' /etc/apt/sources.list{,.d} || {
 }
 
 # Install dependencies
-ynh_package_install_from_equivs ../conf/${DEPS_PKG_NAME}.control
+# ynh_package_install_from_equivs ../conf/${DEPS_PKG_NAME}.control
+ynh_install_app_dependencies php5-cli php5-common php5-intl php5-json \
+    php5-mcrypt php-pear php-auth-sasl php-mail-mime php-patchwork-utf8 \
+    php-net-smtp php-net-socket php-crypt-gpg \
+    php-net-ldap2 php-net-ldap3
 
 # Create system user dedicace for this app
 ynh_system_user_create $app
diff --git a/scripts/upgrade b/scripts/upgrade
index 1aa776f..67b1956 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -43,8 +43,10 @@ grep -q -R 'jessie-backports' /etc/apt/sources.list{,.d} || {
 }
 
 # Install dependencies
-ynh_package_install_from_equivs ../conf/${DEPS_PKG_NAME}.control \
-  || ynh_die "Unable to install dependencies"
+ynh_install_app_dependencies php5-cli php5-common php5-intl php5-json \
+    php5-mcrypt php-pear php-auth-sasl php-mail-mime php-patchwork-utf8 \
+    php-net-smtp php-net-socket php-crypt-gpg \
+    php-net-ldap2 php-net-ldap3
 
 # Create system user dedicace for this app
 ynh_system_user_create $app