diff --git a/scripts/install b/scripts/install
index 2452617..deab0f4 100755
--- a/scripts/install
+++ b/scripts/install
@@ -119,7 +119,7 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 ynh_script_progression --message="Installing composer dependencies..."
 
-ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"
+ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$final_path" --install_args="--ignore-platform-req=ext-redis"
 
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"