diff --git a/composer.json b/composer.json
index 513559d..652509f 100644
--- a/composer.json
+++ b/composer.json
@@ -51,8 +51,8 @@
     "type": "library",
     "require": {
         "pear/pear-core-minimal": "^1.10",
-        "pear/ole": ">=1.0.0RC3",
-        "php": ">=5.3.3 <7.3"
+        "pear/ole": ">=1.0.0RC4",
+        "php": ">=5.3.3 <7.4"
     },
     "require-dev": {
         "phpunit/phpunit": "<6.0"