diff --git a/.gitignore b/.gitignore
index c2ae0b3..6d5428f 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /example/update/temp/*
 /vendor/
 
+*.cache
 composer.lock
diff --git a/.travis.yml b/.travis.yml
index 9c82b6e..7cc187d 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: php
 dist: trusty
 
 php:
+  - 7.2
   - 7.3
   - 7.4
 
diff --git a/composer.json b/composer.json
index f3521a0..e4795f1 100755
--- a/composer.json
+++ b/composer.json
@@ -13,13 +13,13 @@
         "ext-json": "*",
         "ext-curl": "*",
         "ext-zip": "*",
-        "php": "^7.3.0",
+        "php": "^7.2.0",
         "desarrolla2/cache": "^3.0.0",
         "monolog/monolog": "^2.1.0",
         "composer/semver": "^3.0.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.1.0"
+        "phpunit/phpunit": "^8.5.5"
     },
     "autoload": {
         "psr-4": {