diff --git a/.travis.yml b/.travis.yml
index 3d45ece..c45d3bb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - "7.4"
 
 before_script:
+  - phpenv config-add docker/php/xdebug.ini
   - composer selfupdate
   - composer install --prefer-source
 
diff --git a/docker/php/xdebug.ini b/docker/php/xdebug.ini
new file mode 100644
index 0000000..770e496
--- /dev/null
+++ b/docker/php/xdebug.ini
@@ -0,0 +1,4 @@
+[xdebug]
+xdebug.mode=coverage,debug
+xdebug.client_host=host.docker.internal
+xdebug.client_port=9000