diff --git a/.travis.yml b/.travis.yml
index 44d784ea091..a260c31e3f3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -93,23 +93,26 @@ install:
   echo
 
 - |
-  echo "Installing Composer dependencies - PHP Unit, Parallel Lint, PHP CodeSniffer - for $TRAVIS_PHP_VERSION"
+  echo "Installing Composer dependencies - PHP Unit, Parallel Lint, PHP CodeSniffer, PHP Vardump check - for $TRAVIS_PHP_VERSION"
   if [ "$TRAVIS_PHP_VERSION" = '5.6' ]; then
     composer -n require phpunit/phpunit ^5 \
                         php-parallel-lint/php-parallel-lint ^1 \
                         php-parallel-lint/php-console-highlighter ^0 \
+                        php-parallel-lint/php-var-dump-check ~0.4 \
                         squizlabs/php_codesniffer ^3
   fi
   if [ "$TRAVIS_PHP_VERSION" = '7.0' ] || [ "$TRAVIS_PHP_VERSION" = '7.1' ] || [ "$TRAVIS_PHP_VERSION" = '7.2' ]; then
     composer -n require phpunit/phpunit ^6 \
                         php-parallel-lint/php-parallel-lint ^1 \
                         php-parallel-lint/php-console-highlighter ^0 \
+                        php-parallel-lint/php-var-dump-check ~0.4 \
                         squizlabs/php_codesniffer ^3
   fi
   if [ "$TRAVIS_PHP_VERSION" = '7.3' ] || [ "$TRAVIS_PHP_VERSION" = '7.4' ] || [ "$TRAVIS_PHP_VERSION" = '7.4.22' ]; then
     composer -n require phpunit/phpunit ^7 \
                         php-parallel-lint/php-parallel-lint ^1.2 \
                         php-parallel-lint/php-console-highlighter ^0 \
+                        php-parallel-lint/php-var-dump-check ~0.4 \
                         squizlabs/php_codesniffer ^3
   fi
   # phpunit 9 is required for php 8
@@ -117,6 +120,7 @@ install:
       composer -n require --ignore-platform-reqs phpunit/phpunit ^7 \
                                                  php-parallel-lint/php-parallel-lint ^1.2 \
                                                  php-parallel-lint/php-console-highlighter ^0 \
+                                                 php-parallel-lint/php-var-dump-check ~0.4 \
                                                  squizlabs/php_codesniffer ^3
   fi
   echo
@@ -166,6 +170,10 @@ before_script:
     which phpcs
     phpcs --version | head -
     phpcs -i | head -
+    # Check PHP Vardump check version
+    echo "PHP Vardump check version"
+    which var_dump_check
+    var_dump_check --version
     # Check PHPUnit version
     echo "PHPUnit version"
     which phpunit
@@ -297,6 +305,17 @@ script:
   set +e
   echo
 
+- |
+  echo "Checking missing debug"
+  # Ensure we catch errors
+  set -e
+  # Exclusions are defined in the ruleset.xml file
+  if [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "$TRAVIS_PHP_VERSION" = "7.4.22" ]; then
+     var-dump-check --extensions php --tracy --exclude htdocs/includes --exclude test/ --exclude htdocs/public/test/ --exclude htdocs/core/lib/functions.lib.php .
+  fi
+  set +e
+  echo
+
 - |
   export INSTALL_FORCED_FILE=htdocs/install/install.forced.php
   echo "Setting up Dolibarr $INSTALL_FORCED_FILE to test installation"