diff --git a/composer.json b/composer.json
index 337e3967e0..c5004ef7bd 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
 	"config": {
 	},
 	"require": {
-		"php": ">=7.1,<=8.0.0alpha1",
+		"php": ">=7.0,<=8.0.0alpha1",
 		"fxp/composer-asset-plugin":"1.2.2",
 		"pear-pear.horde.org/horde_imap_client": "^2.29.7",
 		"pear-pear.horde.org/horde_nls": "^2.0.3",
diff --git a/composer.lock b/composer.lock
index cdbccc29e2..95e02f797c 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "e63894160c0172c5117bd05e9c965a61",
+    "content-hash": "1b4b995d8bbe2321ab01c7ac08ef711e",
     "packages": [
         {
             "name": "adldap2/adldap2",
@@ -1950,7 +1950,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.1,<=8.0.0alpha1"
+        "php": ">=7.0,<=8.0.0alpha1"
     },
     "platform-dev": []
 }