diff --git a/.travis.yml b/.travis.yml
index ec64af5837..e728120849 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,7 +40,8 @@ services:
   - postgresql
   - mysql
 
-#before_install:
+before_install:
+  - sudo apt-get update && sudo apt-get install -y php-mailparse || pecl install mailparse
 #   - if ${INSTALL_PHP_ZIP_EXTENSION}; then sudo apt-get install libzip-dev; pecl install zip; fi
 #   - echo "extension = libzip.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 #  - echo "extension = snmp.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
diff --git a/composer.json b/composer.json
index c61aace868..72938e9ab3 100644
--- a/composer.json
+++ b/composer.json
@@ -119,6 +119,11 @@
         "ext-ctype": "*",
         "ext-posix": "*",
         "ext-calendar": "*",
+        "ext-filter": "*",
+        "ext-zlib": "*",
+        "ext-imap": "*",
+        "ext-mailparse": "*",
+        "ext-session": "*",
         "phine/observer": "2.0",
         "phine/exception": "1.0",
         "phpmailer/phpmailer": "^6",
@@ -167,9 +172,10 @@
         "psr-4": { "LMS\\Tests\\": "tests/" }
     },
     "scripts": {
-        "pre-autoload-dump": [ "@repairHTML2PDF", "@repairTCPDF", "@repairEZPDF" ],
+        "pre-autoload-dump": [ "@repairHTML2PDF", "@repairTCPDF", "@repairEZPDF", "@db-requirement-checker" ],
         "repairHTML2PDF": "sed -i -e 's/class MyPdf extends \\\\TCPDF/class MyPdf extends \\\\LMSTCPDF/' vendor/spipu/html2pdf/src/MyPdf.php",
         "repairTCPDF": "sed -i -e 's/\\(\\s\\+\\)register_shutdown_function/\\1\\\/\\\/register_shutdown_function/' vendor/tecnickcom/tcpdf/tcpdf.php",
-        "repairEZPDF": "cp -f lib/ezpdf/fonts/arial* vendor/rospdf/pdf-php/src/fonts"
+        "repairEZPDF": "cp -f lib/ezpdf/fonts/arial* vendor/rospdf/pdf-php/src/fonts",
+        "db-requirement-checker": "php -m | grep -qE 'mysqli|pgsql' || { echo 'Install php-mysql or php-pgsql' && exit 1;}"
     }
 }